Arduino Bluetooth Basic Tutorial

Ever thought of controlling any electronic devices with your smart phone ?Controlling your robot or any other devices with your smartphone will be really cool. Here is is a simple and basic tutorial for interfacing Bluetooth with arduino

Step 1: Things You Need



Step 2: Watch How Does It Works ?


Watch the video tutorial

Step 3: Let’s Start Building


The circuit is so simple and small , there is only few connection to be made

Arduino Pins___________Bluetooth Module Pins

RX (Pin 0)___________________TX

TX (Pin 1)___________________RX



Connect a LED negative to GND of arduino and positive to pin 13 with a resistance valued between 220Ω – 1KΩ. And your done with the circuit

Note : Don’t Connect RX to RX and TX to TX of Bluetooth to arduinoyou will receive no data , Here TX means Transmit and RX means Receive

Read more: Arduino Bluetooth Basic Tutorial

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