Human Body Sensing IR Pyroelectric Infrared Sensor Anti-theft Alarm Electronic KIT


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Approx Restocking Date: 25 to 30 Days
SKU: 1794482
  1. Infrared Sensor with Control Circuit Board
  2. Input Voltage: DC 4.5-20V
  3. Complete with PIR, Motion Detection.
  4. Current: 50µA


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Brand: Generic
Category: DIY Hobby Project Parts

Passive infrared (PIR) sensors use a pair of pyroelectric sensors to detect heat energy in the surrounding environment. The Pyroelectric infrared sensor anti-theft circuit is composed of a pyroelectric infrared sensor PIR, integrated operational amplifier LM393, 110 alarm circuit, and starting delay circuit. The circuit can be protected against theft. When the family leaves the bedroom, switch K1 is closed, and the circuit begins to work. As long as someone enters the room for some time, it will sound the alarm. Passive Infrared Radiation (PIR) sensor detects the change in infrared radiation of a warm-blooded moving object in its detection range.


  1.  Sensitivity range: up to 20 feet (6 meters) 110° x 70° detection range.
  2. Complete with PIR, Motion Detection.
  3. Dual Element Sensor with Low Noise and High Sensitivity.
  4. Standard TTL Output.

Package Includes:

1 x Human Body Sensing IR Pyroelectric Infrared Sensor Anti-theft Alarm Electronic KIT

SKU: 1794482 Category:
Input Voltage (V)

DC 4.5-20V

Operating Temperature (°C)

15 ~ +70 °C

Sensing range

120 °, within 7 m

Shipping Weight 0.03 kg
Shipping Dimensions 13 × 9 × 2 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China