Review on π‘ 5PCS HC-SR501 PIR Sensor Infrared Sensor Body Motion IR Sensor Module for Arduino - DIYmall by Devin Girard
Very sensitive: Motion detector
These motion detectors are extremely sensitive. Even with the dial set to minimum I still have a range of about 2m. This is impractical for my purposes as I need 1 foot motion detection and nothing else. Glad I didn't find any false positives.
- Very good value for money
- There are disadvantages
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