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Hw-416-b Pir Sensor Datasheet !!hot!! Page

The module typically features three pins, which are often labeled on the board under the white Fresnel lens. Power input (Positive). Digital output signal (High when motion is detected). Ground (Negative). Adjustment Potentiometers

The output stays high as long as motion is detected. This is the default for most lighting projects. 🔌 Pinout & Connection hw-416-b pir sensor datasheet

For more detailed integration steps, you can explore guides from Instructables or technical documentation from snippet to test this sensor? Raspberry Pi Projects The module typically features three pins, which are

If you are integrating this sensor, treat the "Distance" potentiometer as a "Motion Size" filter, not a range extender. If you need true range adjustment, you must physically swap the Fresnel lens dome, not turn the screw. Ground (Negative)

The sensor requires an initialization period of about 30 to 60 seconds after powering up. During this time, the sensor may output random signals.

Disclaimer: Specifications are typical for modules sold under the HW-416-B label. Always test your specific module before finalizing a design.

The HW-416-B output is . To safely interface with 3.3V logic:

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