Grove PIR Motion Sensor

Grove PIR Motion Sensor

Grove PIR Motion Sensor
Seeed Studio | A-000000-01403
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This easily installed and simple to use Grove-compatible module uses a passive infrared sensor to detect movement.
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Grove PIR Sensor: find out how the passive infrared technology works

What is a PIR sensor? It’s a volumetric motion sensor able to detect the infrared radiation emitted by any person or animal moving within its detection range.
The detector measures this infrared radiation and translates its detection by a high output signal on its SIG pin.

Using the SEN32357P passive infrared sensor

Here, this presence detector has been integrated into a module compatible with the Grove interface.

It’s a small sensor that is extremely simple to both install and use. All you have to do is connect it to your board, and possibly adjust its parameters using the two potentiometers integrated into the circuit.

This type of PIR sensor is known to offer some considerable advantages. First, it is not sensitive to noise and will therefore react only to the actual presence of a human or animal within its detection range.

In addition, its beams are invisible and cause no reflection. It is therefore the ideal accessory for building a DIY detection system, for example when filming an animal documentary, for a remote surveillance system or indeed any other type of surveillance.

Test Grove PIR-Sensor SEN32357P

Please note that this type of sensor is quite sensitive to sudden changes in temperature.

Technical specifications of the SEN32357P Grove PIR Sensor

  • Grove-compatible module (Base Shield or Mega Shield)
  • Adjustable range and response time
  • Range: 10 cm to 6 m max.
  • Response time: 0.3–25 sec.
  • Detection angle: 120°
  • Supply: 3–5 Vdc
  • Consumption: 150 uA
  • Dimensions: 20 x 40 mm
  • Operating temperature: -20 to 70 °C


Resources for the SEN32357P Grove PIR Sensor

Below are some very useful links that will make it even easier for you to install and use the passive infrared sensor:

SEN32357P detector wiki page

SEN32357P detector wiki page 

SEN32357P detector Github

SEN32357P detector Github 


And finally an introduction to the Grove system:

Introduction to the Grove system

Introduction to the Grove system 

Specific References
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