Pir Sensor Datasheet Better [exclusive] — Hw416b
The dome-shaped plastic covering the sensor is a . This lens focuses the ambient infrared radiation onto the small pyroelectric element, slicing the detection field into multiple active and inactive zones to maximize sensitivity to movement. 💻 Arduino Wiring and Code Integration
Reviewing the datasheet reveals why the HW416B is preferred for industrial and hobbyist applications. Specification DC 5V - 20V Power Consumption < 65mA (active) Quiescent Current < 50μA (ideal for battery apps) Output Voltage 3.3V (High/Low level) Detection Angle < 110° cone angle Detection Range 3m to 7m (adjustable) Time Delay 5s to 300s (approx. 5 min) Operating Temp -15°C to +70°C Key Improvements in Specifications hw416b pir sensor datasheet better
The HW-416B and HC-SR501 are often considered interchangeable, but they're not identical. The dome-shaped plastic covering the sensor is a
| Symbol | Parameter | Min | Typ | Max | Unit | |--------|-----------|-----|-----|-----|------| | VCC | Operating voltage | 3.0 | 5.0 | 5.5 | V | | ICC | Quiescent current | 45 | 55 | 100 | µA | | VOH | Output high level | VCC-0.5 | VCC-0.3 | - | V | | VOL | Output low level | - | 0.2 | 0.5 | V | | TH | Delay time (fixed mode) | 2.5 | 3 | 3.5 | sec | | TH | Delay time (adjustable) | 0.3 | - | 500 | sec | | TLO | Lockout time (after trigger) | 1.5 | 2 | 2.5 | sec | | D | Detection distance (with stock lens) | 3 | 5 | 7 | meters | Specification DC 5V - 20V Power Consumption The
The is a highly versatile, low-cost passive infrared motion detector widely used in automation, security systems, and robotics hardware setups. Often categorized alongside or used interchangeably with the classic HC-SR501 module , understanding its official parameters is key to preventing erratic behavior like false triggers or infinite high-signal loops.
Why? Because the HW-416B is functionally a clone of the classic . However, the HW-416B has specific quirks regarding voltage and timing. After benching three different batches, here is the better datasheet you actually need.
