Review on π‘ 5PCS HC-SR501 PIR Sensor Infrared Sensor Body Motion IR Sensor Module for Arduino - DIYmall by Desmin Dickerson
Great deal and so many uses!
I needed motion sensors for a long time. For example, at night I have several hallways in my house that are pitch dark at night. Setting the sensor to time to stay on for about 30 seconds worked great for me and I was able to power this using an old cell phone charger and there is a piece of wire connected to the output and ground and then connected to three white LEDs. No more bruised toes in dark hallways at night!
- Good thing
- I don't remember, but there was something
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