MQTT gateway for ESP8266, ESP32, Sonoff RF Bridge or Arduino
Blynk library for embedded hardware
Bluetooth LE Keyboard library for the ESP32
AndroidAuto headunit emulator
Facilino: Block programming environment for Arduino
The DBTC project develops Bluetooth model train control S/W and F/W.
PS3 control BLUETOOTH support for SteamLink
Adaptive mobile robot controlled by hand movement and sound commands
OWI535 Robotic Arm Turned into Rover Arm, Arduino HW. Serial/Bluetooth