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Day 22: Lessons – Arduino, Bluetooth/BLE & Android/iOS/Mac/PC

You are here: Home / 30 Days to Arduino Programming Course / 30 Days to Arduino Lessons / Day 22: Lessons – Arduino, Bluetooth/BLE & Android/iOS/Mac/PC
Voltage Divider making 5v into 3.4v

Today we use a voltage divider to make it safe to interface our Arduino with the HC-05/HC-06 and HC-08 bluetooth modules, allowing us to communicate between our Arduino and various devices over Bluetooth, and toggle an LED on and off using terminal apps.

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