Using an ESP32 and OLED with a basic microphone to decode Morse Code live to the display - ryanhz/ESP32_Morse_Decoder ...

Using an ESP32 and OLED with a basic microphone to decode Morse Code live to the display You can use the ESP8266, but will need to expriement with the sampling_frequency, try 30000 If you need to ...

A Morse decoder built today is more likely to be used to decode machine-generated signals, for example, debugging information or telemetry.