Product: HW-416-B Passive Infrared (PIR) Motion Sensor
Purpose: Human/animal motion detection for low-power security, automation, and IoT applications
Getting Started with the HW-416-B PIR Motion Sensor: A Complete Guide
The key IC on most HW-416-B boards is the BISS0001 (or a clone like the HT7610B). Referencing the BISS0001 datasheet can give you deeper insight into the timing and sensitivity adjustment. hw-416-b pir sensor datasheet
If you are walking through a sensor's field of view, stop completely, and then start moving again, the sensor might miss the second movement because it is still stabilizing from the first. In robotics or high-speed detection scenarios, this latency can be an issue. However, for standard security and lighting, it is negligible.
Leo stepped back. He waited sixty seconds for the sensor to calibrate—a "warm-up" period mentioned in the specs. He stood perfectly still. The LED on his board remained dark. Then, he slowly reached for a chocolate bar. In robotics or high-speed detection scenarios, this latency
| Pin | Name | Description | |-----|--------|------------------------------------| | 1 | VCC | 4.5V – 20V DC power input | | 2 | GND | Ground | | 3 | OUT | Digital output (HIGH = motion) |
In this post, we’ll break down the technical specifications, pinout, and key features to help you integrate it into your next build. Core Specifications He waited sixty seconds for the sensor to
Last updated: October 2025. Specifications are based on Revision 2.3 of the HW-416-B board. Always verify with your specific module version.
Adjusts the detection distance. Turning clockwise generally increases the range. Time Delay (TIME):