Make Any Surface a "Touch Surface" to trigger automations IFTTT With NodeMCU and Piezo for Under $20 Bucks!

Hello, in this instructable you will learn how to turn any surface into an interactive surface with only basic knocks.You can trigger your lights to turn on with 2 knocks and turn off with 3 knocks. Perhaps you want to play music, send messages, find your phone, turn on tv, etc.You can do all of tha...By: FedericoE7Continue Reading »

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