So you want to control some mains electrical (or lower voltage) item using your phone, perhaps? This single ESP8266 plug-in controls a relay that is built in to the module. An Android app (.apk) ...
Maker系列 在克里斯．安德森（Chris Anderson）所著『自造者時代：啟動人人製造的第三次工業革命』提到，過去幾年 ...
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