![]() ![]() ![]() We'll begin with an overview of the hardware, and the differences between each device. In this tutorial we'll cover everything you need to know about these Bluetooth modules. There's no messing with Bluetooth protocols or the stack, just send data over a serial interface, and it's piped through to whatever Bluetooth module to which it's connected. On top of those benefits, these modules are also very easy to use. Free of wires, your devices can be up to 100 meters away from each other. They're perfect for directly replacing a wired asynchronous serial interface. Each of these modules has a Bluetooth transceiver on it, meaning they're capable of both sending and receiving data.
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