Activating a buzzer or sending a notification when movement is detected in a restricted area.
If you’re building a motion-activated light, security alarm, or smart occupancy sensor, you’ve likely come across the . At first glance, it looks identical to the famous HC-SR501. In fact, for practical purposes, the HW-416-B shares the same core components: a Pyroelectric Infrared (PIR) sensor , a BIS0001 (or similar) signal processing IC, and an adjustable lens. hw-416-b pir sensor datasheet
Output goes low once the delay expires, regardless of continued motion. H (Repeatable): Output stays high as long as continuous motion is detected. Basic Arduino Connection Activating a buzzer or sending a notification when
int motionPin = 2; int ledPin = 13;