Arduino – AT 09 BLE module

I always wanted to connect something over Bluetooth if found this module theĀ AT 09 BLE module. But first I need to know how it works.   AT 09 BLE Module The AT-09 is a module that contains a BLE chip (a CC2540/CC2541). This module allows to perform serial communication with the BLE chip thanks to … Continue reading Arduino – AT 09 BLE module