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12 V / 5 V power supplies projects

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IoT LPG Gas Leakage Detector with Auto Shutoff Valve — project thumbnail preview
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IoT LPG Gas Leakage Detector with Auto Shutoff Valve

This project builds an LPG safety node that does more than beep: an MQ-6 gas sensor watches the air around the cylinder, and...

ESP32 Arduino IDE MQ-6 LPG gas sensor
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