Overall, Arduino Bluetooth Controller is a usable app, but it’s not the best option on this list. Arduino Bluetooth Controller by Giumig Apps. Giumig’s Arduino Bluetooth Controller features some of ...

The image above shows a buffer chip doing the conversion, but the Fritzing schematic on the post uses a voltage divider. The software end of things consists of an Arduino sketch and an Android app ...

[Larry Bank]’s Arduino library to print text and graphics on BLE (Bluetooth Low Energy) thermal printers has some excellent features, and makes sending wireless print jobs to a number of comm… ...