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.
- Microcontroller: RL78/I1D low-power analog microcontroller
- Solution board: RL78/I1D Detect it! motion detector board
Circuit diagrams, parts lists, and sample programs are available.
System Block Diagram
Motion Detector Board