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Cheap 2-Way Bluetooth Connection Between Arduino and PC

Cheap 2-Way Bluetooth Connection Between Arduino and PC
In the guide, I will explain how I managed to send data back and forth between a PC and Arduino via a cheap Bluetooth HC-05 transceiver, which can be found for less than $10 on ebay with the breakout board. The version I have used in this project does not have a breakout board so it's little cheaper but more difficult to solder. I strongly recommend buying the module with the breakout board. This Bluetooth transceiver basically acts as a generic serial COM port. The PC to Arduino Bluetooth serial connection can be useful in many applications such as controlling servos, motors, and writing to LCDs. The Arduino to PC connection can be useful in applications where the Arduino reads sensors then pass their values via serial Bluetooth to a PC for processing. The only downside of this cheap Bluetooth transceiver is the absence of headers which means you have to solder at least 4 wires. The Bluetooth serial module I bought has the following specs:

http://www.instructables.com/id/Cheap-2-Way-Bluetooth-Connection-Between-Arduino-a/

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