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Mastering Arduino by Jon Hoffman

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Circuit diagrams

In this chapter, we will be writing code for three projects. In the first project we will be configuring the Bluetooth modules, in the second project we will create an application that will send data, in byte format, from one Bluetooth radio to another and in the last project we will attach a joystick to one of the Arduinos and stream the joystick position to the other Arduino through the Bluetooth connection. The following shows the circuit diagram for our projects:

The two Arduino circuits are completely isolated from each other, therefore they do not need a common ground. Both HC-06 Bluetooth modules are connected to the ...

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