My friend BG6JJI designed a Bluetooth DIGI adaptor working for many old style TRXs with a Bluetooth, DIGI and CAT ability. He was using a Bluetooth module named JDY-67. I am not sure which ...

The ESP32 is a microcontroller that provides an API for Bluetooth A2DP which can be used to receive sound data e.g. from your Mobile Phone and makes it available via a callback method. The output is a ...

Browse 500+ Arduino projects with code and circuit diagrams. From beginner tutorials to advanced Arduino project ideas - all with downloadable code and step-by-step guides. ... If you're looking to ...