Hw-416-b Pir Sensor | Datasheet

The is a reliable, low-cost PIR motion sensor perfect for hobbyist and light commercial projects. While you won’t find an official “HW-416-B datasheet” from a major semiconductor brand, the HC-SR501 documentation applies directly . Use the specs and tips above to integrate it into your next motion-sensing project.

Turning this clockwise increases the duration the output pin stays HIGH after motion is detected. Turning it counter-clockwise reduces the hold time. Operating Modes (Trigger Jumpers) hw-416-b pir sensor datasheet

Some early HW-416-B modules have an additional jumper for 5V/3.3V output selection, but the standard version is fixed at 3.3V logic. Always check your specific board revision. The is a reliable, low-cost PIR motion sensor

The HW-416-B is a passive infrared (PIR) motion sensor module based on the HC-SR501 design. It detects changes in infrared radiation (body heat) within its field of view. It is widely used for human/animal motion detection in security systems, automatic lighting, and IoT projects. Turning this clockwise increases the duration the output

In the quiet hum of Leo’s cluttered workshop, a single HW-416B PIR sensor

The HW-416-B usually has three pins, often exposed by removing the plastic Fresnel lens dome. OUT (Output): Digital output signal (High/Low). GND (Ground): Ground reference. 4. Key Components & Working Principle

This code, adapted from a hardware tutorial for the HW-416, checks the sensor's output and reports the detection state.