Hw-416-b Pir Sensor Datasheet -

The HW-416-B is a high-performance passive infrared (PIR) sensor designed for human body detection. It is widely used in security systems, automatic doors, lighting control, and other applications. This datasheet provides detailed information on the HW-416-B PIR sensor, including its features, specifications, pin configuration, and application notes.

Power ON │ ├── Warm-up (~30-60s) – output remains LOW/random │ ▼ Idle – OUT = LOW │ ├── Motion detected ──► OUT = HIGH │ │ │ ├── If retriggering (H): timer resets on each new motion │ └── If single (L): timer runs once │ ▼ Delay ends – OUT = LOW hw-416-b pir sensor datasheet

void setup() pinMode(pirPin, INPUT); pinMode(ledPin, OUTPUT); Serial.begin(9600); The HW-416-B is a high-performance passive infrared (PIR)

| Symbol | Parameter | Min | Typ | Max | Unit | |--------|-----------|-----|-----|-----|------| | VCC | Supply voltage | 4.5 | 5 | 12 | V | | I_STBY | Standby current | - | 40 | 50 | µA | | I_ACT | Active current (OUT high) | - | 0.8 | 1.2 | mA | | V_OH | Output HIGH voltage | VCC-0.5 | 3.3 | VCC | V | | V_OL | Output LOW voltage | 0 | 0.4 | 0.5 | V | | T_OUT | Output pulse width (adjustable) | 0.5 | - | 200 | s | Power ON │ ├── Warm-up (~30-60s) – output