6 ms·

I want this but also with a RF modem so I can send Morse code to nearby nerd friends.

• gorgoiler 2y ago
  The Casio watches have a little buzzer and the standard SensorWatch codebase has a modem that uses it to send data: https://github.com/joeycastillo/Sensor-Watch/blob/0ad5fa473313b1f0e1c8125b232d91961f5c06ae/movement/watch_faces/demo/chirpy_demo_face.h#L29 https://github.com/joeycastillo/Sensor-Watch/blob/0ad5fa4733...
  • greesil 2y ago
    Lol that's cool. It would be hard to do secret messages but maybe I could do an audio remote control with this.
    • gorgoiler 2y ago
      Have a TOFU (trust on first use) mode that exchanges a key with the receiver very quietly? Regular transmissions are all at FULL VOLUME and assume the receiver has the key. So much fun to be had!