The is a compact Passive Infrared (PIR) motion sensor module, frequently used as a direct, higher-quality alternative to the common HC-SR501 . It uses the BISS0001 IC to process infrared signals into a digital output, offering better thermal stability and noise resistance than standard budget clones. Core Specifications PIR Motion Sensor: How It Works + Arduino Project - Zbotic
The output pulse characteristics have been measured by users: approximately , 1.156-second pulse width , and a shortest period between a falling edge and the next rising edge of about 2.146 seconds . This gives you a solid foundation for designing your timing logic. hw416b pir sensor datasheet better
void setup() Serial.begin(9600); pinMode(PIRpin, INPUT); Serial.println("HW-416B Warming up (30 sec)..."); delay(30000); // CRITICAL: Let the sensor stabilize The is a compact Passive Infrared (PIR) motion
Since "HW416B" appears to be a generic batch code, you likely won't find an official PDF from a major manufacturer (like TI or Panasonic). For technical specs, look for datasheets regarding "Mini PIR Motion Sensor Module" or "AM312" (a common chip used on these small boards), as the specs will be nearly identical. This gives you a solid foundation for designing
Did we miss a spec? Download our printable PDF pinout card in the link below.
The datasheet provided is relatively comprehensive, covering the essential specifications, features, and application information for the HW416B PIR sensor. Here's a breakdown of the key points: