Arduino Bluetooth Circuit Diagram. Circuit diagram of bluetooth controlled robot. The bluetooth module at the other end receives the data and sends it to arduino through the tx pin of the bluetooth module rx pin of arduino.
Join bt module to arduino as. Vcc 5v and gnd gnd add tip ask question comment download. Power the bluetooth module using arduino 5v output.
Txd pin of hc 05 bluetooth rxd pin of arduino uno.
Circuit diagram interfacing hc 05 bluetooth module with arduino uno description. The following image shows the circuit diagram with all the necessary connections. Let us start with the circuit diagram of the arduino bluetooth controlled robotic arm project. Vcc pin of hc 05 bluetooth 5v output pin of arduino uno.
