This solution uses an infrared LED and an optical receiver to detect the presence of smoke. The low-power RL78/I1D with on-chip sensor amplifier helps reduce system cost while achieving extended operation on battery power.
- Microcontroller: RL78/I1D low-power microcontroller
- Solution board: RL78/I1D Detect it! smoke detector board
Circuit diagrams, parts lists, and sample programs are available.
System Block Diagram
Smoke Detector Board