Review on π‘ Ardest HC-SR501 Adjustable Infrared Motion Sensor for Arduino & Raspberry Pi Projects - 5 Pairs by Ardest by Aaron Franklin
They work well and are well designed for the task, with easily accessible sensitivity controls and a reset timer on the side. A warning
decided to build his own using these devices. They work well and are well rated for the task given their sensitivity and reset timer controls on the side and easy access. (at least with the parts I've had) that only about 45-55 degrees of arc will actually do anything, so careful adjustment is critical, but once the adjustment is complete the part works great.
- PIR motion detectors have a jumper for dual mode operation (as shown). Works with any SOC, MCU, or even standalone to build fast lights, cameras, etc.
- Not sure,
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