Review on HiLetgo 3pcs AM312 Mini Pyroelectric PIR Human Sensor Module Infrared IR Sensor Body Manual Motion Infrared IR Detector by Gabriel Salleh
Simple and easy-to-use sensor
Ideal for use with Raspberry Pi. Wide input voltage range, no adjustments. The output is always 3 volts regardless of the power supply. You're not driving the LED directly, so use a 2222 transistor or similar for this test. Sensitivity is better at 5V or higher than 3V. Everything worked for me out of the box. I'm packing something to play with the cat!
- Durable finish
- Cable is shorter than other picks
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