DFRobot Gravity Digital Infrared Motion Sensor for Arduino


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SKU: 1073429
  1. Type: Digital
  2. Supply Voltage:5V
  3. Current:50μA
  4. Detect angle:110 Degree
  5. Detect distance:7 meters
  6. Dimensions(L x H) mm: 28×36


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Brand: DF Robot
Category: PIR / IR and Optical Sensor

This is a simple to use Arduino motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the ‘alarm’ pin will go low. This sensor checks for infrared heat in its detecting angle. The human body, pets, and several other things emit energy that the sensor is looking for, it compares with the snapshot, and if there is a recent change it triggers.

Get on with your Home alarm security audit gear and experiment with this sensor to get a better understanding of its efficiency and working method. Infrared motion detectors are common all around the world for many different appliances. It’s great for an Arduino or home automation project that requires automated motion feedback. Commonly found on automatic trigger light systems, where lights are ON when someone is in range and OFF when no one is around. Save power or trigger other actuators like a door opener or pet feeder.


  1. Low power consumption
  2. Compact size
  3. Cost-effective
  4. Adjustable sensitivity

Connection Diagram:

Df Robot Sku1073429

Useful Links:

Package Includes:

1 x Digital infrared Motion Sensor

1 x Digital Sensor Cable

SKU: 1073429 Category:
Input Voltage (V)


Max Operating Current (A)

50 μA

Output level

High:4 V
Low:0.4 V

Detect angle

110 Degree

Operating Distance Range (Meter)


Length (mm):


Width (mm):


Weight (g):


Shipping Weight 0.03 kg
Shipping Dimensions 6 × 5 × 2 cm
1 Month Warranty

This item is covered with a standard warranty of 1 month 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