About PIR Module

The PIR Module works as a motion detector operating on a passive infrared (PIR) principle. Typical usage of the PIR Module can be a wireless motion detector located on a wall or ceiling. The module is equipped with an ultra-low-power digital sensor from Excelitas’ the DigiPyro® family.



SDK Library

Header File

Source File



  • Digital PIR detector PYQ-1648-7053 (Excelitas)

  • Fully digital processing (signal analysis takes place in the sensor)

  • Four-element sensor type

  • Omnidirectional lens Carclo Diamond 37

  • Resolution of the internal A/D converter: 14-bit

  • Detection angle: 98° (horizontally and vertically)

  • Maximal detection range: 5 m

  • Power consumption: approx. 3 μA

  • Operating voltage range: 2.5 V to 3.6 V

  • Operating temperature range: -20 to 70 °C

  • Dimensions: 33 x 55 mm