This solution uses pyroelectric motion sensors to detect the movement of persons. Two sensors are used to allow detection of the direction of movement. The microcontroller's on-chip low power op-amp reduces the system cost.

Circuit diagrams, parts lists and sample programs are available.

System Block Diagram


  • Crime prevention units
  • lighting systems

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Title language Type Format File Size Date
Datasheets & Errata
RL78/I1D Datasheet (R01DS0244EJ0230) Datasheet PDF 1.06 MB
Detect it! Flyer PDF 1.70 MB