Hw-416-b Pir Sensor Datasheet - _top_
The is a passive infrared (PIR) motion sensor module, widely recognized as a variant or rebranded version of the popular HC-SR501 PIR sensor . It uses the BISS0001 controller chip to detect human presence by measuring changes in infrared radiation. Core Specifications
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If your HW-416-B is triggering constantly without visible movement, check for the following environmental variables:
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Explain how to to control high-voltage lights. Compare this model with the mini PIR sensor (AM312) . Let me know how you'd like to proceed with your project . PIR Sensor Datasheet, Pinout Specifications, Working
The HW-416-B is a ready-to-use PIR motion detection module that combines a pyroelectric infrared sensor, an integrated signal conditioning circuit (built around the chip), and a dome-shaped Fresnel lens that focuses infrared radiation onto the sensor element. The module includes onboard adjustments for sensitivity and output delay, as well as a jumper for selecting trigger behavior.
Motion detection is a foundational element of modern automation, security systems, and smart home technology. Among the various tools available to hobbyists and engineers alike, Passive Infrared (PIR) sensors are the most popular for detecting human presence. While many are familiar with the classic HC-SR501, the has emerged as a highly reliable, compact, and efficient alternative. The is a passive infrared (PIR) motion sensor
Adjustable from approximately 3 to 7 meters. Detection Angle: Approximately 110° to 120° cone. Operating Temperature: -15∘Cnegative 15 raised to the composed with power C +70∘Cpositive 70 raised to the composed with power C Pinout and Connections
uses internal digital signal processing which makes it less susceptible to power supply noise or electromagnetic interference.
The HW-416-B features a highly intuitive hardware layout, typically consisting of a 3-pin interface for connectivity, two potentiometers for manual tuning, and a jumper configuration for trigger selection. Pin Configuration This link or copies made by others cannot be deleted
Cone angle of approximately 100 to 110 degrees
Once motion is detected, the output stays HIGH for the set delay and then goes LOW, even if movement continues.
💡 PIR sensors require a "warm-up" period of about 30 to 60 seconds after powering on to calibrate to the environment's infrared signature. During this time, you may get false triggers.
