| Pin | Name | Description | |-----|------|-------------| | 1 | VCC | Power input (4.5V – 20V DC) | | 2 | OUT | Digital output (HIGH = motion detected, LOW = idle) | | 3 | GND | Ground (0V) |
This comprehensive guide serves as an expanded technical datasheet and implementation manual for the HW-416-B module. Technical Specifications and Features
The HW‑416‑B offers greater flexibility thanks to its adjustable range and delay, while the HC‑SR505 is more compact and consumes far less power, making it better for battery‑operated projects.
He adjusted this so it wouldn't trigger every time a cold draft drifted past his heater. hw-416-b pir sensor datasheet
Power input (Connect to 5V DC of your microcontroller or external power source).
3 meters to 7 meters (adjustable via potentiometer)
When designing your next motion-sensing project, remember: | Pin | Name | Description | |-----|------|-------------|
if (val == HIGH) // Motion detected digitalWrite(ledPin, HIGH); if (pirState == LOW) Serial.println("Motion detected!"); pirState = HIGH;
delay(100);
Adjustable (typically 5s to 200s or more depending on the specific potentiometer settings). Static Current: < 50µA, making it ideal for battery-powered projects. Pin Configuration Power input (Connect to 5V DC of your
This guide serves as a functional datasheet and technical overview to help you integrate the HW-416-B into your next project. 1. Technical Specifications
PIR sensors are highly sensitive to rapid environmental changes. Avoid mounting the HW-416-B directly facing windows, heating vents, air conditioners, or high-power incandescent lighting, as sudden shifts in air temperature can falsely trip the sensor.
Here is the informative "story" of this sensor, from its technical specs to how you can dial it in for your own project. ⚙️ Vital Statistics
With a wide operational voltage range and dead-simple digital output logic, the HW-416-B is an essential asset in any maker's hardware toolkit.