keyer

Library for manipulating Morse code text and sound. Understands prosigns and Farnsworth speed. Can create WAV files and analyse input from the microphone or audio files.

PIC16F886 based CW auto key controller with USB support

ATTiny13/25/45/85: "An Ultra Simple Iambic Keyer with Speed Pot" !

Fork of 2022 vintage K3NG Keyer modified to run on ESP32-WROOM-32 and Pico2W, updated with relevent changes up to 2026. Adds BT Keyboard capability (BLE and BT classic), Classic I2C LCD text display and a color TFT Touch displays.

A networked CW (Morse Code) keyer based on the ESP8266

An "Accu-Keyer" ( WB4VVF ) Clone for the Arduino ( or ATTiny45 or 85 )

Keyer project to practice CW and to send it back and forth with another unit. Also has keyer out for radio's that don't have a keyer built in.

Utilidad para la practica de CW en modo activador con manipulador.

Application that demonstrates the possibility to overlay content generated from live stream with minimal latency, using the VideoMaster SDK

A basic CW Keyer with BT keyboard

Elektronische Morsetaste 'keyer'

K3NG Arduino CW Keyer

K3NG Arduino keyer ported on ESP32 platform with BT Keyboard added

Morse code keyer and visualizer.

ICOM IC-7300 Arduino CW memory pad

WEB

Online Morse code simulator, decoder, translator and trainer: reads a PC beeper or any CW tone from the microphone, plays text as Morse, keys from the keyboard, grades practice. Browser app on GitHub Pages plus an offline Windows desktop app

adapter board for Elecraft KX2 KX3 to connect to microHAM micro KEYER III DB-37

Open Source Metamorserino ESP32 Firmware and Modular Synth Toolkit 2026