HCSR501 PIR Motion Sensor maker Power on your Pi 4

Power on your Pi 4 and monitor initial temperatures using the vcgencmd measure_temp command in terminal

The Arduino ecosystem provides extensive libraries for camera control

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which can induce internal stress and warping

HCSR501 PIR Motion Sensor maker Power on your Pi 4HC SR501 PIR Motion Sensor Module Detect human movement reliably with the HC SR501 Passive Infrared (PIR) Motion Sensor the industry standard module for security systems, automated lighting, and IoT projects. Available at The Engineer Store, Bengaluru, with fast shipping and full technical support. Specifications Sensor Type Passive Infrared (PIR) Pyroelectric Detection Range Up to 7 meters (adjustable) Detection Angle Less than 120 degrees cone