SKU: SENS-1943
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Senba BS612 Digital PIR Motion Sensor - Schmitt Trigger Output

₹107.00 (Inclusive of all taxes)
Out of Stock

The Senba BS612 is a low-voltage digital PIR motion sensor module featuring a Schmitt trigger output for clean signal conditioning, designed for integration into 3.3V microcontroller systems like ESP32, STM32, and Arduino boards for presence detection applications.

Features

  • Digital PIR sensor with Schmitt trigger (REL) output for stable, bounce-free signals.
  • Ultra-low operating voltage range from -0.3V to 3.6V, optimized for 3.3V logic systems.
  • Wide operating temperature range from -25°C to 85°C for robust environmental performance.
  • Enhanced immunity to RFI and 2.4GHz high-frequency interference for reliable operation.
  • User-adjustable parameters for detection delay, sensitivity, and lighting control.

Out of stock

Description

The BS612 Digital Passive Infrared (PIR) Sensor utilizes a pyroelectric sensing element to detect changes in infrared radiation caused by moving heat sources. Its integrated Hybrid IC provides signal amplification, noise filtering, and outputs a clean digital signal via a Schmitt trigger, ensuring reliable detection with minimal false triggers. The module is engineered for low power consumption and instant readiness upon power-up.

Designed for durability, the sensor operates reliably across a broad temperature range and features enhanced shielding against common electromagnetic interference, making it suitable for integration into consumer electronics, smart home appliances, and automated lighting systems where stable 3.3V logic is used.

Key Features

  • High-sensitivity pyroelectric infrared detection with low-noise signal processing.
  • Schmitt trigger output provides a clean, debounced digital signal compatible with MCU GPIO.
  • Low voltage operation and minimal power draw ideal for battery-powered or energy-efficient devices.
  • Robust RFI and 2.4GHz interference immunity ensures stable performance in electrically noisy environments.
  • Field-adjustable delay time, sensitivity, and lighting control via onboard potentiometers.
  • Compact 6-pin module design for easy integration into existing PCB layouts or prototyping boards.
  • Wide industrial-grade operating temperature range supports both indoor and sheltered outdoor applications.

Applications

  • Automatic lighting control and occupancy sensing in smart home systems.
  • Presence detection for energy management in appliances like air conditioners, TVs, and digital photo frames.
  • Security and intrusion detection modules for DIY electronics and prototyping.
  • Touchless activation for toys, interactive displays, and public convenience appliances.
  • Battery-operated wireless sensor nodes for IoT-based motion monitoring.

Technical Specifications

Model NumberBS612
Sensor TypeDigital Passive Infrared (PIR)
Output SignalSchmitt Trigger (REL) Digital Output
Supply Voltage (VDD)-0.3V to 3.6V
Operating Temperature-25°C to 85°C
Storage Temperature-40°C to 125°C
Number of Pins6
Key FeaturesDelay Adjustable, Sensitivity Adjustable, Lighting Adjustable, RFI Immunity

Frequently Asked Questions

What is the operating voltage range for the Senba BS612 sensor?

The BS612 operates from a supply voltage (VDD) of -0.3V to 3.6V. It is specifically designed for low-voltage systems, making it ideal for direct connection to 3.3V microcontrollers like ESP32, STM32, or Raspberry Pi GPIO without requiring a level shifter.

How does the Schmitt trigger output benefit my project?

The Schmitt trigger output conditions the raw PIR signal, providing a clean, debounced digital signal that transitions sharply between logic high and low states. This eliminates signal bounce and noise, ensuring reliable motion detection and easy interfacing with microcontroller interrupt pins or digital inputs without additional filtering circuitry.

Can I adjust the sensor's sensitivity and detection delay?

Yes, the BS612 module includes onboard potentiometers for adjusting detection sensitivity and the delay time for how long the output remains active after motion is detected. This allows customization for specific application needs, such as ignoring small pets or setting longer activation periods for lighting control.

Is this sensor suitable for outdoor use?

While the BS612 has a wide operating temperature range (-25°C to 85°C), the module itself is not inherently waterproof or sealed. It can be used in sheltered outdoor locations (e.g., under eaves) if protected from direct rain and moisture. For fully exposed outdoor applications, an additional protective enclosure with a IR-transmissive window is recommended.

Package Includes

  • 1 x Senba BS612 Digital PIR Motion Sensor Module

Additional Information

Weight 0.01 kg
Dimensions 5 × 3 × 1 cm