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micro KEYER III
https://www.microham.com/contents/en-us/d126_MKIII.html
micro KEYER III™ is the world first and the only amateur radio USB interface featuring high dynamic range, 24-bit audio processing chain on all signal stages. It is the most powerful single radio All-In-One USB interface and the only USB interface to fully support digital and voice operation including microphone switching in one box.
Song Key Finder | Your Source for Creating the Perfect ...
https://www.audiokeychain.com/
Simply drag and drop any of your tracks into the dropzone and hit the "Upload Tracks" button. Once the tracks get analyzed you can: Export the results to share with your friends. Edit any of the track data. Choose whether to save it to our public collection or not. Note: Currently we only support MP3 and WAV files with a 15MB file size limit ...
keyer.js
Keyer.js implements a morse code keyer in a web page. The text window translates typed text into morse code which plays on the browser's audio output. Keyboard keys and MIDI notes can be interpreted as switch closures for directly keying morse. Directly keyed input is played on the browser's audio output and decoded into the text window.
Simple Audio Computer to Transmitter Morse Keyer
http://www.polar-electric.com/Morse/TX_via_Soundcard.pdf
The audio input for the Morse keyer is plugged into your PC’s external speaker jack and is con-trolled by either your computer’s external speaker volume control or another volume control method. I have a separate jack on the right speaker I can plug into and control the volume output with the speaker volume control.
The K3NG Arduino CW Keyer – Radio Artisan
https://blog.radioartisan.com/arduino-cw-keyer/
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. 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.…
Iambic Keyer Circuit - K4ICY Minty Keyer - 3 IC Electronic ...
http://www.k4icy.com/weekend_radio_minty_kool_keyer.html
Below, you can see the results of the test circuit; Most of the Minty Keyer mod circuits were cobbled together on a solderless prototyping board, minus the rig control switching and a simple Twin-T CPO oscillator with LM386 amplifier IC was used to provide audio to feed into my PC where was able to take timing measurements.
Morse Code Keyer | Morse Code World
https://morsecode.world/international/keyer.html
A keyer (combined with a "paddle") makes sending Morse code easier than the traditional "straight key" which most people would imagine is used. Instead of having to precisely time the dits, dahs and the spaces in between a paddle/keyer combination does a lot of the timing for you, using a speed setting of your choice.
MFJ-464, CW KEYER/READER | MFJ Enterprises Inc
https://mfjenterprises.com/products/mfj-464
MFJ-464 supports direct keying output, Has PTT output, built-in speaker, sinewave sidetone and more! Iambic keyer with dot and dash memories: automatic, semi, or hand-key mode. Input queue lets you store multiple messagse. Auto-incrementing contest serial numbering from 001 to 9999. Adjustable Speed 5-99 WPM.
The NEW Voice Keyer WORKS! — FlexRadio Community
https://community.flexradio.com/discussion/6608752/the-new-voice-keyer-works
a. The Voice Keyer Audio must be Equalized and Processed so that it can be heard through the din of the Contest. b. The Voice Keyer Audio must sound exactly the same as Spoken Responses from the 6000 so as not to confuse the listener on the other end of the Q so that the contester does not lose contacts. 2.
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