On veut mesurer une distance à partir de la mesure du temps de parcours d’une onde ultrasonore qui se réfléchit sur un obstacle. On utiliser pour cela un module ultrason HC-SR04 On fera clignoter des ...
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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