In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan ...

Python script to trigger Relay Open/Close on Raspberry with Arduino Relay This script uses the temperature of a DHT11 (or DHT22 for more precision.) to determine the current temperature. The DHT11 for ...

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