laser driver circuit的相關文章
Laser Door Alarm Circuit - Electronics Projects Circuits

Laser Door Alarm Circuit - Electronics Projects Circuits

瀏覽:1200
日期:2025-11-21
This laser door alarm is based on the interruption of Laser beam. A low cost Laser pointer is used as the source of light beam. When somebody breaks the la ... Capacitors C1 & C2 would make the circuit unreliable..the IC as well as transistor will see sho...看更多