K3NG Arduino CW Keyer
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Updated
Jun 27, 2026 - C++
K3NG Arduino CW Keyer
WD7FHC's CW decoder using a PIC microcontroller
ATS Mini ESP32-S3/Si4732 radio web controller with searchable shortwave, AM and FM stations, USB tuning, RSSI scanning, and live Morse code decoding.
Combine a pasta strainer with a Software Defined Radio and you get a SDRainer.
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
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