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CircuitPython and Bluetooth Low Energy: Issue 25 – HackSpace magazine: Maker Christmas! @HackSpaceMag @ben_everard @circuitpython

Hsover25

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CircuitPython and Bluetooth Low Energy by Ben Everard, Link your phone to your microcontroller to send data and commands –

Bluetooth is in a bit of a funny position in the maker world. While theoretically it is really well placed to be a great addition to the maker toolkit, historically it’s not been widely utilised because it’s been hard to use. Part of the problem is the need to write two bits of software – one for the microcontroller, and one for whatever you’re sending data to it with, whether that’s a phone or computer. Where WiFi has enabled makers to do one side with a simple bit of HTML, Bluetooth has often needed a fully featured app. There’s also a bit of confusion about names – Bluetooth and Bluetooth Low Energy (BLE) are different things, yet are both often lumped under the moniker ‘Bluetooth’. We’ll be using BLE. Things are getting a little easier thanks to a really easy-to-use set of modules in CircuitPython and the Adafruit Bluefruit app.

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