I was not aware of prosigns, but soon came across them on the Wikipedia Morse Code page. and further used in telegraphy for transferring secret information. You signed in with another tab or window. The decoder to use a microphone as the input. execute decode.m (just type 'decode' in console) A file selector will pop up, choose audio file (wav/ogg) and wait for results. Magic Morse is a mathematical algorithm that [Ray Burnette] wrote a few years ago to make it easy to send and receive Morse code. Code MORSE TO TEXT Allows you to type text using just 3 buttons using morse code. We care about the privacy and personal data of our users. Ham radio essential CW decoder. There is an LED on the audio module that lights when the output goes low (receive). A Morse decoder built today is more likely to be used to decode machine-generated signals, for example, debugging information or telemetry. Why do you use. This project uses a 567 Tone Decoder IC to filter out unwanted audio and feeds a clear signal to the Arduino for real time decoding on the ( XC3728) OLED screen. */, // LCD without I2C using HD44780 library Reply This was only needed to make the status visible on the front panel of the case. Arduino Morse Code Decoder; Created: Nov 02, 2016. view 2246; comment 0; bookmark 0; fork 3; Description. I just did the same with the same with the latest version 1.3.2 and it was ok. Arduino Arduino Morse decoder with LCD display Hi, I need a coder to make a project for an Arduino Morse Decoder with an 1602A LCD display. The unit automatically adjusts itself to the speed of the incoming Morse code and displays the speed on the LCD. 100 Ohm. This is just a hobby and I have not written a lot of code for the Arduino. There are lots of ups and downs a real lot. Setting buzzer(8) to an output led to a shoving match that the flash lost. Every operators style, or fist, has subtle variations in the timings of the dots, dashes, and the pauses between these elements, the letters, and the words , Check this one out at various speeds and indiosyncrasies ;-). I found 22uF worked but sometimes affected the first mark in a word resulting in the wrong character being displayed. C:\Users\xxx\Desktop\HAM\Arduino CW ID\Arduino-Morse-Code-Decoder-master\Arduino-Morse-Code-Decoder-master\MorseCodeDecoder\MorseCodeDecoder.ino: In function void displayActualSpeed(int): MorseCodeDecoder:578:3: error: lcd was not declared in this scope, lcd.setCursor(16, 0); // Set cursor on top row. is it a spece between two letters? Convert text from a clear source with little noise that is sent at speeds in excess of 20 wpm. Audio Input. C:\Users\xxx\Desktop\HAM\Arduino CW ID\Arduino-Morse-Code-Decoder-master\Arduino-Morse-Code-Decoder-master\MorseCodeDecoder\MorseCodeDecoder.ino: In function void displayMark(char): MorseCodeDecoder:650:5: error: lcd was not declared in this scope, lcd.setCursor(d, 3); // Set cursor to correct place on the last line. 23 days ago, for those with an LCD 1602. I tried to burn this to a Wemos board ESP-WROOM-02 without thinking enough. SPDT switch to switch between manual and auto mode. Auto speed sensing and noise handling also could be improved. I use it to train my own Morse keying skills. Build A Better Mousetrap But It Better Be Better! const byte LCD_ROWS = 4; I based the conversion on the PARIS, Number of dot lengths per second = 1000 / dot length in ms, Where: T is the unit time, or dot duration in milliseconds, W is the speed in wpm, Examples: 150ms = 8wpm, 100ms = 12wpm, 50ms = 24wpm, 20ms = 60wpm. I was expecting the digital output would change when the audio tone of a beep was detected and change back when the tone ended. is it the space between two words? Updated 2020-08-27 Introduction This is an open source Arduino based CW (Morse Code) keyer with a lot of features and flexibility, rivaling commercial keyers which often cost significantly more. I dont know that it matters, but dont know that it doesnt. Potentiometer at 10 K Ohm in serie with the signalwire, for regulating input to the processor. For those who do not have the I2C type liquid crystal display it should be easy to change this to use a standard 1602 style parallel interfaced LCD. alan has added a new log for What is PoE? It looks like there have been different standards used that has resulted in some Morse patterns set to different characters or prosigns, for example -.. If you let me know your email address (mine is frpl at gmx dot de), I might be able to send you pictures later this month. Upload this code on your Arduino board and open your serial monitor window. LiquidCrystal_I2C lcd(I2C_ADDR, 20, 4); // Set the LCD address to 0x27 for a 20 chars and 4 line display Once you have that limitation, why use Morse code at all? '; else if (tijd > StreepDuur) teken = '-'; else if ((tijd > (StreepDuur + PuntDuur) / 1.9) && tijd <= StreepDuur) teken = '-'; else teken = '. For example: . Hi Gerry, // lcd.begin(); // Use with I2C backpack 4 years ago, the code inside the .ino file. That made it far easier to use and placed the threshold setting at about the midway point. Currently version 1.8.13. By encoding letters of the alphabet into combinations of dots and dashes, messages can be conveyed with only a single electric or audible signal. This meant more wiring and required another pot for the contrast and resistor for the backlight, but it was not that difficult. These have all been good things for me to check as it confirms for me that it works the same with current versions of the IDE and library. Under ideal conditions, both LEDs should be flashing at the same time and both only when there is sound from the speaker being monitored. (I restored one of these recently.). ", "---", ".--. It is not designed to be sent as three different characters, rather as one long character, that is The spacing between the S and O bits is the same spacing as the within the S and O bits. It was most used at the time of World War II. // Position the cursor to the next line to start the .- sequence, /* This happens at the end of every string, don't know why */. This LED lights when the interrupt is triggered and the code believes there is a dot/dash being sent. morse code decoder cw amateur radio HAMR LCD arduino uno This project was created on 05/21/2018 and last updated 4 . I dont have the lcd display, so how can I display the reading into the monitor serial? Maximum volume. I love how neat and simple it is! Info over arduino morse decoder. I set myself a challenge to design one. The more dahs you send at the beginning the sooner it locks into solid copy. Morse code is used in telecommunication; it is a method of transmitting and receiving coded information. Arduino Morse Decoder: This device reads hand keyed Morse code from a signal key (or an ordinary switch) and translates it to plain text and show the Morse code you're keying on an LCD. My tough PoE development process. //lcd.begin(LCD_COLS, LCD_ROWS); // Initialise the LCD and turn on backlight for LiquidCrystal library */, /* A free ferry from behind Central Station . The decoder automatically corrects itself for your keying speed. The sensor can operate with a supply range from 2.4V to 5.5V. A dot is 200ms. Any Morse it hears is displayed as plain text on a display. Arduino/LCD Display Attempting to design one was an opportunity to learn about detecting data patterns, try out some case build ideas I had as well as learn a bit more about Morse Code. We will use Morse's encoding and by using 2 buttons (dot & dash) we will write down the letters into a display. Connect the buzzer between GND and pin 8 of the Arduino and the Morse key (I use a tactile switch) between GND and pin 7. If follows along with changing speeds ok, but it sometimes adds spaces when it shouldnt, it also has trouble if it quickly changes for example when it switches between to senders that are using very different speeds. Those mechanical decoders (much like the project described in the article) require pretty close speed control, in order for the receiver to sync with the transmitter and produce mostly-accurate output. Change). LiquidCrystal lcd(rs, en, d4, d5, d6, d7); Make Your Own Customisable Desktop LED Neon Signs / Lights, Wi-Fi Control of a Motor With Quadrature Feedback, Smart Light Conversion Using ESP8266 and a Relay, https://bitbucket.org/fmalpartida/new-liquidcrystal/downloads. It can be driven from the PC sound card provided that the audio level is sufficient. This design is unlikely to be the best out there. Well thats up to you, but Ill repeat what I said early on. The waveform on the oscilloscope looks far from square, in fact it looks really bad. 3D Printed Morse Paddle. I took a standard Arduino UNO, an LCD keypad shield, a relay module and a piezo buzzer. Speed adjustment is set by a potentiometer to the sending speed of the morse or alternatively the unit can be set to automatic mode. While it works ok, manual mode holds the speed to a more stable setting. before the program runs.. you could use some statistics to get an average dit dat duration, changing the speed requires changing constants in the code [] one tough part was dealing with the idiosyncrasies of each sender. The software tracks the speed of the sender's dahs to make its adjustments. May I use this code as the basis for a geocache? I admire those that are able to send and interpret Morse code messages at high speed. . The 4-bit mode requires seven I/O pins from the Arduino, while the 8-bit mode requires 11 pins. The Audio module I have does not have any markings but it appears to be a KY-037. My tough PoE development process. For auto mode, simply set the function to Auto. Arduino Morse Decoder with 16x2 LCD screen and a single button Raw morse.ino # include <LiquidCrystal.h> # define SYMBOL_LEN 5 LiquidCrystal lcd ( 2, 3, 4, 5, 6, 7 ); int morseButton = 8; unsigned long pressStart = 0; unsigned long timeWithoutPress = 0; bool holding = false; bool waitingForFirstInput = false; The hardware could be improved too. Arduino Uno; 16x2 LCD display; Yellow LED; 10K potentiometer; Active buzzer; 2 buttons, breadboard and a lot of jumper wires; Features. I tried to improve the speed in the rest of the sketch as best I could, but Im sure it could be improved further. It does not support some characters with homoglyphic diacritical marks, for example . The using LCD is a piece of cake. // For HD44780 library (with a backpack?) There is a spectrum display of the audio with a sliding cursor to select a particular audio for decoding. Have a nice day and enjoy coding in C++. It covers radio history, codes, electronics and programming. De bezoeker mag straks letter voor letter morsecode nadoen in de hoop dat er wat leesbaars op het scherm komt. I also had a look on the oscilloscope. The audio module has two output pins; an audio output and a digital output. I found this potentiometer to be very difficult to adjust. With LCD display screen, the data is more clear. What I want it to do is when you press a button to make morse code (like the word S O S). When the program recognizes the correct word, a servo will release a lock and provide access to the cache container. This library gives the Arduino finer-grained control over the morse code that it is sending while it is in the process of sending it - that is, sending morse code is a letter-by-letter process, not a string process. Usage. Upload the sketch (Seinsleutel2.ino) in the Arduino. '; if (teken == '-') { if (tijd > StreepDuur) StreepDuur++; if (tijd < StreepDuur) StreepDuur--; } else if (teken == '.') When I installed it in the case, I removed the existing LED on the audio module and replaced it with an ordinary 5mm red LED mounted on the front panel. '; long tijd = abs(millis() - starttijd); // Tijdsduur van het geseinde teken (een punt of een streep) float PuntDuur = StreepDuur / 3.0; if (tijd <= 2) return; // Denderonderdrukking if (tijd <= PuntDuur) teken = '. 6.8 uF tantalum capacitor for low pass audio filter. The free CwGet morse decoder download for PC works on most current Windows operating systems. This site uses Akismet to reduce spam. Im not a professional or have professional experience. This is very useful for both testing and adjusting the sensitivity while in operation. Fig. On that board, pins 7 & 8 aren't brought out but actually used to communicate with the module's flash. I started with D13 as it was already on the module. const byte LCD_COLS = 20; It sounded simple enough but while there is standard timing, e.g. But we need neural network driven one! It makes no difference whether variables are named in German or some other language. I want to use the hd44780 library and my LCD doesnt have a backpack. After quite a bit of coding, well lots more thinking than coding, I was able to get it display a single character on the screen with input from the Morse key. In Ham Radio magazine in later 1971, there was a CW decoder done without a computer, I cant remember if it used ICs. Hardware Required Arduino Board The best results I have got is by connecting a resistor between the audio out and Arduino input and a capacitor from the input to ground. const byte LCD_ROWS = 4; Im just documenting the project for fun and maybe inspire others to design their own projects. This is simply connected to digital pin 8 and the GND of the Arduino. We would like to see this hooked up to a proper Morse code key, and see how fast [Rostislav] could drive it before it conks out. A Morse code decoder built using. Windows IDT High Definition Audio CODEC EZ CD Audio Converter Free to try Convert audio files, rip. ( include does not name a type) when trying to compile the sketch. Ive included the reverent section of the code and the error. For displaying text on the screen, you can do most everything in 4-bit mode, so example shows how to control a 16x2 LCD in 4-bit mode. Very nice wright up and build but Im getting an error Here is my CW / PSK31 / PSK63 decoder from 2010, drawing around 2mA current, doing audio filtering on a MSP430 with no HW multiplier. (Comment Policy). I find the history of Morse code fascinating. ", "--.-", ".-. estudihambre May 24, 2022, 6:16pm #13 It seemed like a good idea to support SOS and if I was going to do that I may as well cover as many prosigns as possible. We redesigned the PCB, which could be fit into a compact aluminum enclosure, and trimmed the code so as to fit the features of AVR mega 2560. While Morse code operators usually rank their skills by speed the faster the better this Morse code projectfor very low power transmitters turns that notion on its head by using speeds more suitably measured in minutes per word (77 MPW for that project). Added a pulldown resistor and capacitor to reduce bouncing. The decoded CW is displayed as text or can generate a side tone. Een dot is 200ms. When he first wrote it, he designed it for a PIC, but since. When it reaches the end of the first line, it clears the line. I am studying your source code and I have a question about the algorithm you use to identify a Pause and start decoding the "Kar"achter. And a switch (or Morse key), breadboard and wires. Arduino Morse Decoder: This device reads hand keyed Morse code from a signal key (or an ordinary switch) and translates it to plain text and show the Morse code you're keying on an LCD. C:\Users\xxx\Desktop\HAM\Arduino CW ID\Arduino-Morse-Code-Decoder-master\Arduino-Morse-Code-Decoder-master\MorseCodeDecoder\MorseCodeDecoder.ino: In function void displaySetSpeed(int): MorseCodeDecoder:550:3: error: lcd was not declared in this scope, lcd.setCursor(0, 0); // Set cursor to top left. Ik heb wel de timing een beetje aangepast. I used a standard 10K linear pot. Ham Radio Essential CW Decoder Morse Code Reader /Morse code Translator. So far I have not been able to work out which is the best to use so Ive taken the easy way out and display both. While it could do with a bit more development and tweaking, it is now at a point that it works reasonably well, at least where the audio doesnt have too much background static and hiss. Resultaten van 8 zoekmachines! StreepDuur == the duration of a dashtijd == timeThe statement "if (tijd > StreepDuur - StreepDuur / 40): decodes a space between two letters.And "(tijd > StreepDuur * 2)" is for decoading a space between words.Som more explanation:PuntDuur == Duration of a dotstarttijd == Start time. Not used if powering by USB. https://sourceforge.net/projects/pocketdigi/files/decoder/msp430-decoder-1.2-src.zip/download, Old ticker tape machines had *mechanical* baudot decoders, which couldve been adapted for morse also. https://www.youtube.com/watch?v=2Aydo8dUZjM, Source code I adapted the code:// Morse-decodeerder// (C) 2016 Demented hacker#include #include // https://bitbucket.org/fmalpartida/new-liquidcrystal/downloads ==> LiquidCrystal_V1.2.1.zip// Verbind een tactile schakelaar (of seinsleutel) tussen pen 7 van de Arduino en GND.// En sluit een buzzer aan tussen Arduino pen 8 en GND.// Dan kun je met de schakelaar seinen. This device reads hand keyed Morse code from a signal key (or an ordinary switch) and translates it to plain text and show the Morse code you're keying on an LCD. Thanks for your interest. #include // LCD I2C library for LCD functions Top line: The length of the latest received dot and the speed set and speed received, Middle two lines: Plain text of the latest received message, Bottom line: The latest received dots and dashes, Manual mode allows user to set speed using a potentiometer. // ******** Initialise LCD Use method for your library and connection ******** It requires only a good input from a tone discriminator or just a hand key. Leuk project, ik ga dit eens uitproberen. This is what I saw when I connected it up. (like long short short short = Battery). Tip: you could create it without an LCD and then output the decoded text on the serial monitor of the Arduino IDE. C:\Users\xxx\Desktop\HAM\Arduino CW ID\Arduino-Morse-Code-Decoder-master\Arduino-Morse-Code-Decoder-master\MorseCodeDecoder\MorseCodeDecoder.ino: In function void welcomeScreen(): MorseCodeDecoder:521:3: error: lcd was not declared in this scope. I will, of course, refer to your name and work in my modified code. . Download the file-> open the arduino IDE -> file-> open-> chose the file that you had been downloaded. The KY-037 has a 100K potentiometer to adjust the threshold where the output triggers from high (nothing detected) to low (sound detected). Morse code was developed in the 19th century to send messages over long distances using very simple sequences of long and short pulses, commonly referred to as dots and dashes. (Imagine a motor spinning a drum synced with the baud rate, and the incoming bits trigger what part is facing the paper, followed by the whack of the hammer when the last bit is decoded.) It may be a little difficult to remember Morse code and convert texts to this code, so let's make a translator to convert texts to Morse code! I found several sites that calculate the values of a resistor and capacitor for a low pass filter, but what frequency should I be aiming for? Well the speed of the whole sketch probably becomes significant. You could try adding those to start with and see how that goes. // ********************************** LCD library and setup ********************************* Besides the GND and +5V pins the LCD has an SCL and SDA connection that you connect to the pins with the same names on the Arduino. The maximum length of a dash is set on line 367 with the maxDashDuration variable. // LCD without I2C, using LiquidCrystal library (LogOut/ You just need to connect Arduino to LCD and use the functions of the library. In the future I would like to let visitors on a museum ship try to write some characters on the display (interactive museum). 204 LCD display. { if (tijd > StreepDuur / 3.0) StreepDuur++; if (tijd < StreepDuur / 3.0) StreepDuur--; } kar += teken; //Serial.println(teken);}void DecodeerPauze(long starttijd) { if (kar == "") return; char teken = '? Perhaps it would be better with a rotary encoder with the speed could be saved in EPROM memory so the setting is the same next time it is turned on. Potentiometer to set the input sensitivity. For more detailed information about the test results, please look at each example's comments The display updated in about half the time. We are a couple of engineers building a simple system to allow one of us to write text using just 2 fingers in order to overtake a severe disability. Digital output pin goes low when the sound level exceeds set threshold. If you are. Copy and paste it into your Arduino project editor to use it. The built-in LED on the Arduino can be used instead of this LED and resistor below. Thank you!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! The code is available in my Github repository https://github.com/garrysblog/Arduino-Morse-Code-Decoder. 1x Arduino UNO 1x Buzzer1x LCD with I2C connector and 4 lines of text. I suspect there is less clearing and overwriting text. Use a 20 x 4 LCD for simplicity. The object of the cache would be for the finder to translate a specific word into the dots and dashes of morse code. IDT High Definition Audio CODEC Free Update your audio codec drivers for Windows. on the LCD screen. Have you used Morse code in any of your projects before? Meanwhile how do I get rid of those? The result is based on one of a few different capacitors I had and by tweaking a variable resistor. . /* 2 buttons, breadboard and a lot of jumper wires, Can decode Morse code, takes left button as an input, Buzzer squeaks to indicate when the left button is pushed, All inputs are debounced (as they should be). Morse Code Encoder. Building projects is just a hobby for me. Yep. Perhaps it is changing at the frequency of the tone playing or at least at a ratio of the tone. > S The text on the display Morse decoder was surprisingly accurate. 10K linear pot to adjust contrast of the display. With a key you could try removing those. KY-037 Audio module to Detects sound. I didnt know how it was achieved but the puzzle of the design continued to percolate away in the back of my mind. amateur radio, Arduino, cw, ham radio, morse, morse code. Share it with us! Mini and portable size, can be carried to anywhere. Please let me know if I may do this. I am new to this and am not sure why nothing is coming up on the LCD. Prosigns are characters that have a value that is has a text equivalent that is more than one character. If necessary, tweak the speed setting to get spacing correct. This is an Arduino program that decodes Morse code from an I/O pin. Let us know in the comments below. I recently decided to build another project, this time involving morse code and the arduino. Every operators style, or fist, has subtle variations in the timings of the dots, dashes, and the pauses between these elements, the letters, and the words. Bekijk de gedecodeerde Morse-code in de serial monitor.#define SLEUTEL 7 // Seinsleutel van pen 7 naar GND#define BUZZER 8 // Buzzer van pen 8 naar GNDLiquidCrystal lcd(12, 11, 5, 4, 3, 2);void setup() { pinMode(SLEUTEL, INPUT_PULLUP); pinMode(BUZZER, OUTPUT); Serial.begin(115200); lcd.begin(16, 2);// lcd.backlight(); }float StreepDuur = 300.0;boolean PrevS = false;long tStartTeken, tStartPauze;boolean S;String kar = "";void loop() { S = !digitalRead(SLEUTEL); if (S) { if (S != PrevS) { tStartTeken = millis(); DecodeerPauze(tStartPauze); } digitalWrite(BUZZER, HIGH); } else { if (S != PrevS) { tStartPauze = millis(); Decodeer(tStartTeken); } digitalWrite(BUZZER, LOW); } if (abs(millis() - tStartPauze) > StreepDuur * 10) { DecodeerPauze(tStartPauze); } PrevS = S;}void Decodeer(long starttijd) { char teken = '? This is javascript only morse code listener. Hi Frank. Step 1: Select Mode any One By defoult Select first option.. "/> Add Tip Ask Question Thats exactly the configuration Im using and the default setup in the sketch. I decided to try two methods to speed it up. #Arduino morse decoder lcd dsp code. https://www.youtube.com/watch?v=hLyVI3wtlz8 Directly across the River IJ, Amsterdam Noord boasts the best of contrasting worlds: vast green expanses and charming little villages plus some of the city's most cutting-edge architecture, exciting festivals, museums, gig venues, fantastic dining options and waterside hangouts with beautiful terraces. Are you able to post the entire code with your updates? In my opinion, the glowing backlight seems to have the right aesthetic for the project. If the sound from lautspeaker is to high, then regulate the 100 Ohm resistor, but keep MIN. Its just a result of the result of the challenge I set myself. LCD, RFID reader, joystick, remote, LED matrix, stepper motor und stepper driver, temperature and humidity sensor, motion detector, LED segment display, servo, dc motor . include // Arduino pin i/o class header Used a strip printer for output. The code is also attempting to be smart and ignore really fast and really slow changes. The core processing unit was based on a with a plastic knob on top of it and an adjustable contact low cost ATMEGA328P microcontroller, embedded with underneath. A tag already exists with the provided branch name. Ian liked mini (Pi)QWERTY USB keyboard II.. AirCruiser has added a new log for DJI FPV - Battery Breakout Mod [3]: Breakout Board. - Wikipedia Origines du projet Partie 1 - Montage lectronique I am trying to write well structured code, but Im not there yet. Any Morse it hears is displayed as plain text on a display. This project encodes serial messages into Morse code, and displays the characters on an LCD screen at the same time. I also included the library that I needed to use to control the LCD. The decoder automatically corrects itself for your keying speed. But when I increased maxDashDuration (25 * dotDuration), I got a much better decoding. However, I do like the simplicity and usability of a potentiometer. Morse code is a system of communication to encode any character in two different durations of signals called Dots and Dashes. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 . This device reads hand keyed Morse code from a signal key (or an ordinary switch) and translates it to plain text and show the Morse code you're keying on an LCD. 3 years ago, "Nice project, I'm going to try this out. And just in time for the SAQ transmission on Sunday, by the way! Also possible to use Serial.print() to send text information to either the terminal screen that is built into the IDE or to an attached PC running a terminal emulator that is capable of connecting via tty/USB mode.The I2C LCD library is in the zip file and can be installed in your IDE once the file has been unzipped. This is only used for manual mode. Arduino - LCD Controlling LCD is a quite complicated task. I had an idea that it may be possible using an interrupt routine and using it to look at the time between triggered interrupts. In this project, we will print out Morse Code of a sentence typed in Serial Monitor by flashing LED for each word and space between them. Are you sure you want to create this branch? This Arduino based CW decoder was developed by Hjalmar, OZ1JHM. I also tried installing the library using Library Manager, selecting HDD44870 by Bill Perry Version 1.3.2 and that worked to. I have to confess Im not sure what is causing that error. $14.71 + $3.40 shipping. The other idea was to try a different library. The problem for the Arduino Morse decoder is that it determines the Morse speed automatically by . However, if you are using an LCD without a backpack and the HD44870 library it should work without changing any of the code. Morse code reader, translator. Ask Hackaday: Will Your 2030 Car Have AM Radio? That's a two-module chronometer for your MTB (or any others sports) to measure your time in a determined circuit! hd44780_pinIO lcd(rs, en, d4, d5, d6, d7); C:\Users\xxx\Desktop\HAM\Arduino CW ID\Arduino-Morse-Code-Decoder-master\Arduino-Morse-Code-Decoder-master\MorseCodeDecoder\MorseCodeDecoder.ino: In function void setup(): MorseCodeDecoder:287:3: error: lcd was not declared in this scope, lcd.begin(LCD_COLS, LCD_ROWS); // Use when not using a backpack, MorseCodeDecoder:287:13: error: LCD_COLS was not declared in this scope, C:\Users\xxx\Desktop\HAM\Arduino CW ID\Arduino-Morse-Code-Decoder-master\Arduino-Morse-Code-Decoder-master\MorseCodeDecoder\MorseCodeDecoder.ino:287:13: note: suggested alternative: LCD_ROWS. The Morse code table is stored in a very efficient way: Each character encoding is stored in a single byte, so the whole table of 26 letters and 10 digits is 36 bytes in array size only. CW Morse Code Beacon Keyer or Ident . When the bar is pressed, it forms a connection Arduino bootloader. So I would like to give them such an opportunity especially with your software, which displays both characters and dots and dashes simultaneously. The Morse key consists of metal bar proposed system. All seem to work ok. Im using the standard Arduino IDE. The circuit consists of an Arduino UNO and a piezo speaker. > S --- > O . // zzzzzzzzzzzzzzzzzzzzzzzzzzzzz End of LCD initialisation zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz, MorseCodeDecoder:106:1: error: include does not name a type, MorseCodeDecoder:111:1: error: hd44780_pinIO does not name a type. Change), You are commenting using your Facebook account. The visitor may later copy letter by letter morse code in the hope that something readable on the screen. Use it with something that emits Morse code as sound or vibrations. Keep that in mind. When dots can be as short as 20-30 milliseconds the time to update the display becomes significant. Each character (letter or numeral) is coded/represented by a unique sequence of dots and dashes. Lesson learned: sometimes software problems aren't fixed by powering down. Morse Code Decoder. Microphone: Decoder Settings & Info. - Morse decoder tool . const byte I2C_ADDR = 0x3F; // Hexadecimal address of the LCD unit in mine version before the bandpass-filteret. What about a low pass filter? ", "..-. IIRC, we got an SGI (late 1990s) that beeped out S-O-S when it needed attention. ************** Change), You are commenting using your Twitter account. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Ill say straight up that I am not a developer or have electronics training. I use it to train my own Morse keying skills. i have a error in the part of the code: LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); its told me that POSITIVE is not declared, Reply Sending Morse using appropriate timing, even slowly is much harder than I expected. Serial.print(variable_name); or Serial.print("text string"); This would be cool to set up with a laser pointer and send morse code between two Arduinos miles away. // lcd.backlight(); // Use with I2C backpack, // For LiquidCrystal and HD44780 libraries without a backpack I also tried ruling out possible changes with the HD44870 library. // I2C LCD libraries and setup Arduino Uno, and a 16x2 LCD module. Morse code is developed by Samuel F.B. I saw a few papers but no actual project so far :(, And this will turn your voice into Morse Code. I was surprised to find out, that there is still interest in this first digital data transmission and that visitors have fun trying it. Secondly, in the same time, on the LCD screen, it writes the letter it is encoding and prints the morse code on the second line. If so that opens up further questions and ideas for exploration in the future. zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz An example of this might be the define "int x = 5", where x is neither English or German, or both, and the compiler handles this variable name with no problem. Hjalmar published the schematics and source code for everyone to use. Learn how your comment data is processed. 11.9K subscribers Audio from a lap top computer sending Morse Code is fed into an Arduino Uno that decodes tones and prints characters on an 20x4 LCD display. This is probably the simplest decoder possible, and thus its logic is pretty straightforward to follow. Switching to auto sets the speed to the current set speed and then tries to track the received speed by averaging the length of recent received dots. 1 x LED to display the status of the Arduino. Learn more, This Horrifying Robot Is Here To Teach You A Lesson, https://www.youtube.com/watch?v=hLyVI3wtlz8, https://www.youtube.com/watch?v=HcxIgqx17Vw, https://www.youtube.com/watch?v=2Aydo8dUZjM, https://sourceforge.net/projects/pocketdigi/files/decoder/msp430-decoder-1.2-src.zip/download, https://hackaday.com/2020/07/16/speech-to-morse-code-courtesy-of-google/. Hi Garry, thanks a lot. We wrote about a couple of Morse code algorithms back in 2014, the MorseDetector and the Magic Morse algorithm. After reading this forum post I decided to give the hd44780 library a go. Not only that but the display seemed clearer. Did you make this project? When it reaches the end of the first line, it clears the line. I replaced the flash and the Wemos talks again.. July 1, 2021 [Rostislav Persion] wrote a simple Morse Code decoder to run on his Arduino and display the text on an LCD shield. The Hitachi-compatible LCDs can be controlled in two modes: 4-bit or 8-bit. When I started working on the project I started with just a simple home made Morse key I made and it wasnt until after that that I swapped to the microphone. I found a circuit diagram for it here http://arduinolearning.com/code/ky038-microphone-module-and-arduino-example.php. The automatic setting could be improved. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. The first was to remove the I2C backpack from the display and connect it up directly to the Arduino. In these situations, a simple decoder like [Rostislav]s is completely sufficient. Im sure that I havent uncommented the code correctly. zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz because i did not find it, Reply It decodes the Morse of this recreation of the messages from the Titanic on this YouTube video fairly reliably. The decoder. I played with different settings of minDuration, but noticed, that debouncing the morse key is required. Morse code translator is the process of dot and dash to convert in English alfabates Here is 3 main fealdes 1 st one mode 2 nd one is input box for your text and 3 text box is for morse code output. Morse code keyer for Arduino Morse code keyer for Arduino Amateur Radio Morse code keyer for Arduino Morse code keyer for Arduino. By far, the most tried and used Arduino CW decoder project can be found here: http://www.skovholm.com/cwdecoder It first uses a variation of the Goertzel formula to detect the actual audio CW tone so you can hook your device right up to the radio with very minimal components, then it uses a look-up table to match characters to display them. I really like these displays even though they are a bit old school. Convert text from a clear source with little noise that is sent at speeds in excess of 20 wpm Use an Arduino Nano as the microcontroller, not because it is the best, but because it is the only one that I am familiar with and I don't have a desire to learn others at the moment. What is heard in the small lautspeaker is a sound generated only as a function of a decodet signal. With that working I was encouraged and then added a standard audio module and gave up on the key. Moxon Antenna for 6 meters. This project is an Arduino program, that listen to the serial port (reception/emission) and outputs two things: It also send back what it received, prefixed with "Received: ". I wonder if what you are seeing is bounce? Just to rule out a couple of other things Ive tried recompiling and uploading using different methods. I tried adding a smoothing capacitor as they have in power supplies. There is one already on the microphone module I used. Hi Garry, I built your project, because I like some of the features (especially the display of the recognized morse code in the bottom line of the display). In this example is displayed. The reset pin has a pull up . https://preppcomm.com/. I used v1.1.0. Here we used Arduino UNO to translate a text to Morse code. // zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz. Morse makes great error beep codes, and a single letter is easy enough to be parsable even by muggles. Circuit: Morse code with Arduino. 150 270 ohm resistor to limit the current of the display backlight. . Soon I would be hearing messages by spies in exotic locations, possibly in an attic, wearing trench coats and fedoras tapping out their secret messages to their HQ, or more likely not. In an earlier era of Morse code decoders, one tough part was dealing with the idiosyncrasies of each sender. I removed the potentiometer and replaced it with an 10K pot and 22K resistor in series. Having said that I dont know Morse so my tests were very slow and there have been a lot of code changes since then. ", "-..", ". document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); https://github.com/garrysblog/Arduino-Morse-Code-Decoder, http://arduinolearning.com/code/ky038-microphone-module-and-arduino-example.php, Measuring audio frequency with anArduino, Morse Code Decoder using an Arduino Nano Garrys blog | Iz4fvw.net, Converting LifeChat headset for external output and mic with Zoom and MSTeams, Chroma-chime: A kit using the first commercially availablemicrocontroller, Making an iPad/tablet holder from abookend, Updating my 30 year old home madespeakers, Using an ESP32 to get my WordPress viewingstats, Queuing files to the DFPlayer mp3 playermodule, Circuit board damage due to leakycomponents, Converting a bamboo utensil holder into a toolholder, MP3 DFPlayer notes: clones, noise, speakers, wrong file plays and nolibrary, MP3 speech files for use in clockprojects. Firstly, it convert the text you sent it into morse, and emit it via pin 11 (you may want to connect to a potentiometer in serie with a buzzer). I started with an I2C backpack on the LCD but it was not able to handle faster Morse. This would more than likely be sent at fixed, known speeds over directly connected links with very high S/N ratios (a wire, perhaps). And start keying (see the video for a demonstration). Some time ago I saw a YouTube video about a Morse Code decoder that was based on a micro controller. This should make up for some of my less efficient code J, To assist in setting the morse speed to ensure the timing is correct Ive used the dot length in milliseconds to convert to words per minute. Great job on Persions simple solution! Reply So the dot length may not reliably indicate how many words would actually be sent in a minute. The functionality is as follows: one can enter a Morse code message by using the two buttons (dot/dash and go) and the Arduino chip will translate that to English and show it on the LCD/serial monitor. It uses Morse code to act like 2 way paging or textinghas a 3w transmitter built in and can plug into higher power stuff. 5 years ago. SOS is fine here, because thats what most people know and most people would be able to send. Use an Arduino Nano as the microcontroller, not because it is the best, but because it is the only one that I am familiar with and I dont have a desire to learn others at the moment. Secondly, in the same time, on the LCD screen, it writes the letter it is encoding and prints the morse code on the second line. Other microphone modules may also work. const byte LCD_COLS = 20; At the very least I hope the project gives you inspiration. Ik ben bezig voor het Museum Engelandvaarders waar we een seinsleutel hebben uit de 2e wereldoorlog. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. The input to the Arduino looks a bit ugly on the oscilloscope but was the best for operation that I tried. const byte rs = 7, en = 12, d4 = 11, d5 = 10, d6 = 9, d7 = 8; Other parts should be common components or modules and not many of them. Look at the text being received. ", "--. Arduino/Micro/Blink Morse Code. Arduino-Morse-Code-Decoder Using a microphone module connected to an Arudio nano, recieved pulses of morse code are convereted to plain text and and displayed on a 20x4 LCD module. If I was doing it again I would try soldering a 10k pot and another resistor (maybe 39K) in series with the onboard pot as that would be much easier to wire up. '; long tijd = abs(millis() - starttijd); if (tijd > StreepDuur - StreepDuur / 40) { DecodeerKar(); //Serial.print(); } if (tijd > StreepDuur * 2) { DecodeerKar(); Print(" "); Serial.print(" "); }//else DecodeerKar(); //Serial.println(teken);}void DecodeerKar() { static String letters[] = { ".-", "-", "-.-. The sketch adjusts itself to. Magic Morse is implemented in a single microcontroller chip (PICAXE 20X2 -PIC18F14K22 uC), a wide band tone demodulator, and a Morse character decoder. Morse Code Sound & Vibration Listener. can be KN or (. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Such decoders existed commercially, but thats the only project I saw before software. The easiest way to remove the short one is to change minDuration to 0 on line 364. The code can be used with a full blown Arduino board or an AVR microcontroller chip can be programmed and used directly in a circuit. Ian liked CH Products Trackball Pro USB modding. if (tijd > StreepDuur - StreepDuur / 40 ) ? alan has updated the log for What is PoE? If a backpack is used the contrast pot and backlight resistor are not needed. I use it to train my own Morse keying skills. (LogOut/ Traditionally, youd have an audio filter and detector, maybe some agc or limiting, external to the computer. Projects. Originally destined for wooden crates it had been sitting in a shed since the 1960s or 70s. Check this out: http://www.k4icy.com/cw_decoder.html, Nice. I have one of those really cheap data analysers that plug into my laptop. VZ200 Glass RTTY (legacy article) Arduino Project Tips. A Morse code decoder has a lot of elements that interest me. Simplicity comes at a price changing the speed requires changing constants in the code. The compiler just converts them to numeric tokens and compiles them as defined. Part of the build was trying to come up with a simple to build and interesting project enclosures. Thats not quite what I found. Alternatively if you are having bouncing with the key you could try increasing it. It's a Morse code receiver base on processing the light signals. In the end I experimented with the output connected to an oscilloscope and Morse playing into the mic. Local guy who I have done some rework for makes this thing. Add Tip Ask Question Comment Download Step 1: Requirements 1x Arduino UNO I like green best, but most YouTubers seem to prefer blue. hd44780_pinIO lcd(rs, en, d4, d5, d6, d7); Total cost was under $25 Firstly, it convert the text you sent it into morse, and emit it via pin 11 (you may want to connect to a potentiometer in serie with a buzzer). https://www.youtube.com/watch?v=HcxIgqx17Vw sorry for late reply, I am not sure how to upload the entire code, check the connections between the Arduino and the LCD, they should be smthg like: A 100ohm resistor to vcc (5V), Resistor values could be changed to adjust the backlight and char light to your needs. So the standard settings expect a very clean code, which I cannot enter, because I am also not familiar with morse. Hi Peter, thanks for your interest in the project. When I originally wrote the sketch it would have been an older version, not sure what one. The "sketch" programmed in to the Arduino is based on the Goertzel Algorithm for those who are interested on how it works. Garry would you please take a look at it? Use it with Fritzing. Pot to adjust the audio threshold. Setup the hardware by hooking up everything as shown in the schematic diagram. I would like to let people try to enter morse code with a simple morse key, so I am not using the microphone board. DMR. Just kidding! Buut some added some preprocessing, hardware to differentiate between dots and dashes. This project is built around the 20x4 LCD display. But with a more relaxed setting it is working now. The decoder will receive Morse code from an audio source, decode it and display it on a built-in 4 line, 20 character LCD. The sketch includes funtions for word wrap and scrolling. The speed potentiometer can be set on the border of different speeds and the display flickers between two different speed numbers. #include // Wire for I2C communication to the LCD Volume threshold. SOS also has the most marks (dots and dashes) of any I found, so the sketch supports up to 9 bit characters. One can also enter a English phrase on the serial monitor and have the LED light up with the corresponding Morse code flashes. The Audio module has a pot built onto the module and that can be used for testing. Neat project! This program allows CW operators to copy CW code with a computer. The RH pin in the sensor is for relative humidity signal while the T pin is for the temperature signal. include To continue, please give us your consent: Dcoder du morse avec un arduino Dcoder du morse avec un arduino L'alphabet morse ou code morse, est un code permettant de transmettre un texte l'aide de sries d'impulsions courtes et longues, qu'elles soient produites par des signes, une lumire ou un geste. Arduino Morse Decoder: This device reads hand keyed Morse code from a signal key (or an ordinary switch) and translates it to plain text and show the Morse code you're keying on an LCD. I started with a simple Morse key that I made from a piece of scrap timber, bending a piece of metal strapping from around the packing of some large item we had purchased, a few screws and an old knob. ", "", "-", "..-", "-", ".--", "-..-", "-.--", "--..", "E" }; int i = 0; while (letters[i] != "E") { if (letters[i] == kar) { Print((char)('A' + i)); Serial.print((char)('A' + i)); break; } i++; } if (letters[i] == "E") { Print(kar); Serial.print(kar); } kar = "";}int y = 0, x = 0;void Print(String &s) { for (int i = 0; i < s.length(); i++) { upd(); lcd.print(s[i]); }}void Print(char s) { upd(); lcd.print(s);}void Print(char *s) { for (int i = 0; i < strlen(s); i++) { upd(); lcd.print(s[i]); }}void upd() { lcd.setCursor(x, y); x++; if (x >= 16) { x = 0; y++; } if (y >= 2) { lcd.clear(); x=y = 0; }}. It is fiddly to use so adding one in parallel makes it much easier to use. DIY Comparatron Helps Trace Tiny, Complex Objects. 1 x Morse Code Reader. This is one that the author obtained elsewhere and modified to send correct Morse code. const int rs = 7, en = 12, d4 = 11, d5 = 10, d6 = 9, d7 = 8; LCD Display: Arduino microcontrollers can be hooked up to a Sainsmart 128x4 LCD display to display information from the Arduino. Type Morse code on Arduino and display it on your computer's monitor. (LogOut/ I recommend checking that you have the correct library selected and grabbing the Morse Decoder code again from GitHub and trying to compile it as is and see if you get any errors. I didnt see the schematic or the code but I was very impressed that it was possible with relatively few components. doctek has updated details to AccelStepper - The Missing Manual. An LED that illuminates when the processor believes it is receiving a dot or dash. . If you are using the Arduino IDE we can probably rule that out. Thanks!!! gaps between marks should be one dot length and dashes should be three dot lengths but thats not always what is being sent. This library and its examples were tested on 2016-06-11 with common Arduino boards. Up to this point Ive worked mostly on the sketch and have work to do still on the electronics. I didn't use pull-up's to connect the LCD, but you could if you want to. Arduino Morse Code Decoder with Audio Biasing Circuit Arduino CW Decoder Sketch: https://pastebin.com/Yu0mm9Zq Goertzel algorithm: https://en.wikipedia.org/wiki/Goertze. Just to be more precise, I had to use a different library for the 1602A: Then take into account it has 2 rows and 16 columns in the setup. ! A good result. Flowerpot Antenna for 6 meters. The most well known one outside of Morse operators is probably SOS. 1 x LED to replace the one on the audio module. Its tricky to remove the built-in pot. Updating the display was definitely slow. I thought it could be done by activating an internal pullup resistor using pinMode(INPUT_PIN, INPUT_PULLUP);, but while the Arduino detects a key down event (pin2 connected with ground), it does not always seem to detect key up, although the routine morse_ISR() should detect all changes (up/down). Singapore Branches Out Into Internet Of Trees, Review: Inkplate 2 Shrinks Down, Adds Color, Asbestos: The Miracle Mineral Of Our Worst Nightmares, Hackaday Podcast 196: Flexing Hard PCBs, Dangers Of White Filament, And The Jetsons Kitchen Computer, This Week In Security: Rackspace Falls Over, Poison Ping, And The WordPress Race. Originally I downloaded the library from GitHub https://github.com/duinoWitchery/hd44780 and placed it in my Arduino library folder. Arduino Mega 2560 projects list in PDF offline downloadable Arduino MKR1000 Projects List Arduino Nano Projects List Arduino Nano Projects List in PDF offline downloadable Arduino Project List Arduino Project Lists Arduino Projects Arduino Projects in PDF Arduino Projects List For Kids Arduino Projects PDF Arduino Projects RSS Feeds (that and I should think more), Hi Sir, Thanks a lot for this lesson, can you send me the code? I connected it to an LCD module and an Arduino Nano. 270 ohm resistor for low pass audio filter. The other difficulty these decoders faced was detecting the signal in low signal-to-noise ratio environments pulling the signal out of the noise. The case has built from some old timber. Place the microphone in front of the speaker sounding the Morse, Adjust the input sensitivity so that the audio LED flashes in time with the sound of the Morse, For manual operation, set the function to Manual, Look at bottom line of the display and adjust the speed pot so that it is displaying both dots and dashes in the pattern I hear, Look at the received and set speed numbers on the top line of the display and adjust so the set number is similar to the received number. #include Ham radio accessory. When it does not recognize a character, it buzzes the length of 4 dots then wait the equivalent of 2 dots, send an error message with the character it didn't recognized and its binary value on the serial, and replace the character with a "?" I have an idea to upgrade this project: add a third potentiometer to control the duration of a dot/dash/pauses. ARDUINO MORSE DECODER LCD DOWNLOAD Here you can download the code : Download version 1.1 Right click on the mouse and chose save as. if (tijd > StreepDuur * 2) ? Its a good indicator that something is not set or working correctly. I am working for the Museum Engelandvaarders where we have a key from the 2nd World War. Can you give me any advice about how to modify the code ? I use it to train my own Morse keying skills. This project comes in two parts, with the filter on a separate PCB and the Arduino shield containing a buzzer and a push button for Morse sending practice. I added this LED as a way to diagnose issues, but found it to be very useful in operation. The decoder automatically corrects itsel Instructables 3M followers More information You could try increasing that value. Yes they can. As a personal challenge, I spent a month or two trying my hand at an alternative to the decoder presented by WB7FHC and others and came up with an Arduino sketch that works great at cleaner 60 WPM code as well as slower hand sent code, and it automatically adjusts for speed. Build into a wooden box made from old timber I had. It can be used with a PC if there is a standard PC serial port, COM1 or COM2. Make a Morse Code Encoder w/ Arduino. That method of filtering the incoming audio is not ideal. // initialize the library with the numbers of the interface pins David Tucker has updated the log for Shop Reorganization. Demo video: https://imgur.com/gallery/UQBnXUy. Why not just use Baudot or six-bit ASCII? im getting more questionmarks than letters - is something wrong with my setup ? I was expecting significant code changes to get it to work, but instead I only needed to change a few lines at the start of the sketch. To increase the flexibility a microphone like this can be added to the circuitry. SPST switch for power on/off. It was some time before I got any success with that, which brings me to an unexpected feature of the audio module. Its structure could be improved. https://hackaday.com/2020/07/16/speech-to-morse-code-courtesy-of-google/, Please be kind and respectful to help make the comments section excellent. [Rostislav Persion] wrote a simple Morse Code decoder to run on his Arduino and display the text on an LCD shield. An LED that lights when the microphone module activates, that is it is receiving a dot or dash. ", ".", "..", ".---", "-.-", ".-..", "--", "-. // put your setup code here, to run once: Adafruit Standard LCD - 16x2 White on Blue. In fact, trained operators can recognize each other because of this, much like we can often recognize who is speaking on the phone just by hearing their voice. If you are not seeing solid copy, press the restart button on your Arduino. There is a description of the wiring in the code, but I intend to also create a diagram that I will upload with the files in the Github repository. I have adjusted the timing a bit. C:\Users\xxx\Desktop\HAM\Arduino CW ID\Arduino-Morse-Code-Decoder-master\Arduino-Morse-Code-Decoder-master\MorseCodeDecoder\MorseCodeDecoder.ino: In function void updateTextDisplay(byte): MorseCodeDecoder:610:7: error: lcd was not declared in this scope, MorseCodeDecoder:622:5: error: lcd was not declared in this scope. I dont know much about them and Ive never made one before. Description You know how it is; you're a long time CW Operator and your speed is OK (18-25WPM) but you just can't stretch up to the manic speeds sometimes used in contests or by 'DX' stations. The Funtronics K3NG Keyer integrates nearly all of the features & functions of the K3NG's arduino code, such as LCD display, USB keyboard, rotary encoder and CW decoder etc. A Morse code can be performed by tapping, flashing light or writing. Fortunately, thanks to the LiquidCrystal library, this library simplifies the process of controlling LCD for you so you don't need to know the low-level instructions. This is the sketch of this project. It shows the morse code entered and then the corresponding letter. The result was another three times faster. lcd.begin(LCD_COLS, LCD_ROWS); // Use when not using a backpack Minimum volume. ex. Auto mode that automatically tracks sending speed. Thats about 6 times faster with both changes. Project showcase by Gabriele Scordamaglia. In designing the decoder I wanted to achieve: The project was partly about trying out some ideas with the case as well as the actual unit. Secure your house by implementing this handy automatic door management system. 10K linear pot to adjust the speed of the incoming transmission. When I set up the key I had a 100nF capacitor across the key contacts and a 10K resistor between the key and the input pin for debouncing. This is probably the simplest decoder possible, and thus. 1 x resistor to limit current to the LED above. Can decode Morse code, takes left button as an input; Buzzer squeaks to indicate when the left button is pushed; Outputs decoded text to an LCD display; Right button is . 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