a DIY Datalink adapter based on an Arduino. It works the same way as Timex’s serial adapter, in that it receives data through the computer’s serial port and transmits it to the watch by ...

The IQ signals appear on the PC’s soundcard via a microphone or line-in jack, and don’t really route to the Arduino. That’s a shame because some of the 32-bit Arduinos might be able to do ...

Makers, developers and hobbyists building Arduino, Raspberry Pi or PC projects may be interested ... Complex, self-testing plug’n’play bus: Verify signal levels and check for short-circuits ...