Senba HM 612 Digital 6-Pin PIR Motion Sensor for Smart Light

Name: Senba HM 612 Digital 6-Pin PIR Motion Sensor for Smart Light
Brand: Senba
SKU: SENS-1930
Price: 128.00 INR
Availability: OutOfStock

₹128.00 (Inclusive of all taxes)

Out of Stock

The Senba HM 612 is a low-power digital PIR motion sensor module designed for smart lighting and battery-powered automation. It features a 6-pin interface for easy integration with microcontroller systems like Arduino or ESP32, providing a complete motion detection solution with built-in timing logic.

Features

Ultra-low operating current of 9-11 µA for extended battery life.
Wide detection angle for comprehensive area coverage.
Integrated digital circuitry includes a timer function, minimizing external components.
Designed for 2.2V to 3.7V DC operation, compatible with 3.3V logic systems.
High sensitivity threshold of 80 µV for reliable human body heat detection.

Out of stock

Get Notified When Available

Description

The HM 612 is a pyroelectric infrared (PIR) motion sensor that detects the thermal radiation emitted by a moving human body. Its digital output simplifies interfacing, providing a clean signal to control lights or other devices directly. The module incorporates all necessary signal conditioning and timing electronics internally.

Engineered for low-power applications, it operates from a 2.2V to 3.7V supply with a quiescent current in the microamp range, making it ideal for solar-powered or battery-operated installations. The sensor’s design focuses on immunity to common environmental interference, ensuring reliable triggering only by human motion.

Key Features

Complete Digital Solution: All signal processing and timing circuitry are integrated into the sensor housing.
Optimized Power Profile: Extremely low current draw enables deployment in remote, battery-dependent locations.
Human-Specific Detection: Pyroelectric element is tuned to the infrared signature of body heat, reducing false triggers.
Versatile Integration: 6-pin configuration provides access to power, ground, signal output, and optional adjustment pins.
Compact Form Factor: Small PCB footprint allows for discreet installation in lighting fixtures and enclosures.
High-Value Build: Offers a reliable, feature-complete motion sensing solution at an optimized performance-to-cost ratio.

Applications

Automatic smart lighting control for corridors, bathrooms, and entryways.
Battery-powered security and occupancy sensing in off-grid cabins or sheds.
Energy-saving triggers for IoT devices in home and office automation.
Temporary lighting activation at construction sites or outdoor pathways.
Presence detection for activating displays or signage in retail environments.

Technical Specifications

Manufacturer Part Number	HM 612
Sensor Type	Digital Pyroelectric Infrared (PIR)
Supply Voltage	2.2 V to 3.7 V DC
Operating Current (IDD)	9 µA to 11 µA
Peak Current (IR)	0.5 mA @ VDD
Sensitivity Threshold	80 µV
Interface	6-pin Digital Output
Detection Principle	Passive Infrared (Human Body Heat)
Package Quantity	1 x Sensor Module

Frequently Asked Questions

What is the operating voltage range for the HM 612 sensor?

The HM 612 operates from 2.2V to 3.7V DC. This makes it directly compatible with 3.3V microcontroller systems like ESP32 and many Arduino boards when using a 3.3V logic level. Exceeding 3.7V may damage the sensor.

How do I connect and use the 6 pins on this PIR sensor?

The 6-pin interface typically includes VDD (power), GND (ground), and a digital output pin that goes high when motion is detected. The remaining pins may be used for optional features like sensitivity adjustment, light level sensing, or timer configuration. Consult the datasheet for the specific pinout and connection diagram.

Can this sensor run on batteries for a long time?

Yes, its extremely low operating current of 9-11 microamps makes it ideal for long-term battery-powered applications. When paired with a suitable battery and power-efficient switching circuit, it can provide months of operation, perfect for remote or solar-powered lighting controls.