It’s hard to imagine an easier way to set up communications between an Android device and an Arduino using Bluetooth ... see the cheap and ubiquitous HC-05 Bluetooth module.

[DastardlyLabs] saw a video about converting a PS/2 keyboard to Bluetooth ... Arduino uses for programming, you’ll have to remove it before uploading new code. If you need help reprogramming ...

Arduino has launched the Nano ESP32 development board powered by Espressif’s ESP32-S3 Wi-Fi and Bluetooth capable 32-bit microcontroller. The tiny 3.3-V development board supports both Micropython and ...