Great news! As of today, Swift for Arduino is now completely FREE for non commercial use! Just download it and go. swiftforarduino.com Please RT for anyone who might want to give this a try.


sound sensor module KY-037 Arduino with sound sensor and relay and lamp Components required: 1. Arduino UNO 2. breadboard 3. module KY-037 4. Relay 5 V #sound #soundsensor #ky037 #zintechideas #arduino youtu.be/op5Y1DOq6cE



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