ADVERTISEMENT
Google AdSense Slot (headerLeaderboard)
Set your Publisher ID in src/config/ads.ts to display live ads.
Raspberry Pi & IoT Engineering• 5 min read
PIR Motion Detectors & Security Alarms
Detect human presence and room occupancy using Passive Infrared (PIR) motion sensors.
Passive Infrared (PIR) Detection
PIR sensors detect changes in infrared radiation emitted by warm human bodies. In gpiozero, use MotionSensor(pin) with when_motion and when_no_motion hooks.
ADVERTISEMENT
Google AdSense Slot (inContentBanner)
Set your Publisher ID in src/config/ads.ts to display live ads.
Test Yourself With Exercise
What physical energy do Passive Infrared (PIR) motion sensors detect?