Senba HM412 Digital Long Distance PIR Sensor, Delay Time Adjustable Sensor
The Senba HM412 is a digital intelligent PIR motion sensor module featuring DSP for reliable detection up to 10 meters. It operates on a low 2.7-3.3VDC supply and provides a Schmitt trigger relay output, making it suitable for integration into Arduino, Raspberry Pi, and other microcontroller-based security and automation systems.
Features
- Digital Signal Processing (DSP) for enhanced noise immunity and stable performance.
- Long-distance detection range of 8 to 10 meters with adjustable delay from 2 seconds to 80 minutes.
- Low-voltage operation (2.7-3.3VDC) with minimal power consumption for battery-powered applications.
- Schmitt trigger relay output ensures clean switching signals for direct control of lights or alarms.
- Built-in temperature compensation and RF interference filtering for reliable operation in varied environments.
Out of stock
The Senba HM412 Digital PIR Sensor integrates a complete motion detection solution within a compact housing, utilizing advanced digital signal processing to filter out environmental noise and false triggers. Its two-way differential high-impedance sensor input, combined with temperature compensation, ensures consistent sensitivity across its operating range of -25°C to 85°C.
This sensor is designed for low-voltage embedded systems, drawing minimal current to enable long-term operation in battery-powered devices. The adjustable delay timer allows for precise control over the activation period following motion detection, from a brief 2-second pulse to extended durations up to 80 minutes, catering to diverse automation and security scenarios.
Additional Information
| Weight | 0.01 kg |
|---|---|
| Dimensions | 9 × 7 × 1 cm |












