一張衛生紙可以用25次的方法!
Practical Arduino: Appliance Remote Control 可能要用廚房紙巾會比較好! 厚一點耐用! Appliance Remote Control One of the basic tasks in many home automation systems is controlling power to appliances. They could be lights, or a heater, or an exhaust fan, or just about anything else that runs on mains power. The problem of course is that i...
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