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bluetooth

Using the HC-05 Bluetooth Breakout

In my previous post I described the implementation of a two pin, interrupt driven serial interface for the ATtiny - in this post I'll describe how to configure and use a HC-05 Bluetooth breakout board with that interface so you can remotely control any ATtiny based circuit. The HC-05 Bluetooth Module These modules are widely available and usually relatively cheap (about $AU 6 on eBay). There are two common configurations available - one is a module with a pair of IO pins down each side and the other format is a breakout board with some supporting circuitry and a set of 6 pins at one end. Both…

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