Review on SUBALIGU Pyroelectricity Adjustable Pyroelectric Compatible by Ben Barrington
Perfect Working PIR Sensor
I used this for a project instead of the Adafruit version (product 189). Documentation is not included, but lots of information and pinout diagrams can be found by googling "HC-SR501".
- These small infrared sensor modules for general motion detection up to 15ft away and almost never false alarms. Human body sensor, lighting, industrial automation and control, etc. Ideal for Arduino, Raspberry Pi, PIC and more.
- Hard to say
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