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All Posts Tagged HC-SR505

PIR motion sensor

By admin on December 22, 2019Leave a Reply

Using a D1 mini to go to deep sleep and wake up when motion is detected. On boot a message is sent via MQTT to node-red.

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Posted in: Smart HomeTagged: 2N222 Capacitor 1µF d1 mini deep sleep Diode ESP ESP8266 HC-SR505 motion motion detection resistor 1kΩ sleep

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