WWZMDiB 5 Pcs PIR Sensor Compatible with HC-SR501 PIR Motion Module for Arduino Raspberry Pi STM32 (Comes with 2 Dedicated Cases)
$9.99
Features
WWZMDiB 5 Pcs PIR Sensor: When a human body enters the sensing range, the temperature difference between the body and the background causes a voltage change in the pyroelectric device. After amplification and comparison, the voltage signal is output.
Voltage：DC 4.5-20V
Detection Angle: <110 ° cone angle Lens size
Detection range: 3-7 meters (10-23 feet)(adjustable)
Two triggering modes: H: The output signal is maintained as long as a person is present. L: Triggered once with each change.
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