Smart Switch

The main aim of this project is to use temperature sensor to control switch (relay) to turn on or off the device.List of materials 12V Relay Module == $ 4.2 Arduino uno == $ 8 DHT11 temperature sensor == $ 3 ESP8266 Module == $ 4.74 N26 optocoupler == $ 0.60 LM1117 voltage regula...
By: ruchir1674

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