Immune to ambient light interference and minor temperature fluctuations.
Output goes high, then low, regardless of continued motion. 6. Arduino Example Code The following code detects motion and lights up an LED.
Turning this clockwise increases the detection distance (up to 7 meters). Counter-clockwise reduces it (down to ~3 meters), which is useful for small indoor spaces to avoid false triggers.
The module consists of a , a Fresnel lens , and an analog processor . The Fresnel Lens
For the HW-416-B, the typical placement is: Jumper on left pair = Single mode; Jumper on right pair = Repeatable mode. However, always check PCB marking.
When motion is detected, the output goes HIGH. Even if the target keeps moving, the output drops to LOW once the delay timer expires.
Hw-416-b Pir Sensor Datasheet < VALIDATED · 2025 >
Immune to ambient light interference and minor temperature fluctuations.
Output goes high, then low, regardless of continued motion. 6. Arduino Example Code The following code detects motion and lights up an LED.
Turning this clockwise increases the detection distance (up to 7 meters). Counter-clockwise reduces it (down to ~3 meters), which is useful for small indoor spaces to avoid false triggers.
The module consists of a , a Fresnel lens , and an analog processor . The Fresnel Lens
For the HW-416-B, the typical placement is: Jumper on left pair = Single mode; Jumper on right pair = Repeatable mode. However, always check PCB marking.
When motion is detected, the output goes HIGH. Even if the target keeps moving, the output drops to LOW once the delay timer expires.
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