Hw-416-b Pir Sensor: Datasheet Work

| Parameter | Value | |-----------|-------| | Operating Voltage | 5V – 12V DC (typical 5V) | | Quiescent Current | < 60 µA (standby) | | Dynamic Current | < 1 mA (during detection) | | Detection Range | Up to 7 meters (adjustable) | | Detection Angle | < 120° cone (with Fresnel lens) | | Output Signal | 3.3V TTL logic (HIGH when motion detected) | | Output Hold Time | 2.5 seconds – 200 seconds (adjustable) | | Trigger Modes | Single trigger / Repeatable trigger (jumper selectable) | | Operating Temperature | -20°C to +80°C | | Dimensions | 32mm x 24mm x 24mm (without lens cap) |

Security of Surveillance Systems (Presence & Motion Sensors)

While no universal manufacturer “HW-416-B” original PDF exists (it’s a generic module name), you can use these resources: hw-416-b pir sensor datasheet

The board often includes unpopulated pads for a Photoresistor (LDR) , allowing the sensor to only activate in low-light conditions, and a Thermistor , which provides temperature compensation for better stability in extreme heat. Usage Notes

| Pin Number | Name | Description | |------------|------|-------------| | 1 | VCC | +5V to +12V DC input | | 2 | OUT | Digital output (0V idle, 3.3V when motion sensed) | | 3 | GND | Ground (0V) | | Parameter | Value | |-----------|-------| | Operating

Understanding the block diagram helps you debug and modify behavior. The HW-416-B integrates:

The first detection triggers the output for the full delay period. Additional motion during that time is ignored. Useful for alarm systems or counters. Additional motion during that time is ignored

If you are incorporating the HW-416-B into a final product:

After powering the HW-416-B for the first time, it needs 30–60 seconds to stabilize. During this period, it may output random triggers – this is normal.