Bluetooth devices are widely used in many consumers products, its the most popular wireless protocol for small point-to-point networking. Every laptop and just about every computer has Bluetooth classic built into it, so you often don’t need a data receiver for a computer. And recently, the Bluefruit product family has made it even easier to integrate Bluetooth in an Arduino project. So why not use this technology in a simple home automation project?
Bluetooth is fast, low-power, and you can communicate with Bluetooth devices directly from a computer because they usually have built-in Bluetooth capabilities. The other nice thing is that with this project, you will be able to change the sketch running on your Arduino via the Bluetooth connection, without having to plug any cables!
In this project, you will learn how to connect a Bluetooth module to Arduino, transmit measurements from a temperature & humidity sensor to your computer, and display the data in a nice Python interface. Let’s start!
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