SLLA603 March   2023

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
  4. 2Technical Overview
  5. 3Block Diagram
  6. 4Part Selection
  7. 5Stationary Target Detection
  8. 6Power Consumption
  9. 7Conclusion

3 Block Diagram

#GUID-E7F417F7-FF61-4E7F-94BC-D668042636EC shows the main components of a PIR-based occupancy detector system; the PIR-sensor itself, a motor to move the mirror, an MCU to control both, and a way to provide power. The Part Selection section describes the reasoning behind the selected parts.

Figure 3-1 System Block Diagram