In this particular video I use a cheap HC-06 but there are many similar units. I ran out before this video, but the HC-10 is a better unit with BLE 4.0 which allows communications with iPhones and ...
Bluetooth Low Energy (BLE) radio chips are ubiquitous from Raspberry Pi to lightbulbs. BLE is an elaborate technology with a comprehensive specification, but the basics are quite accessible. A ...
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