Position: Index > Led Circuit >

Light-controlled-one-shot-timer

2014-12-23 17:18  
Declaration:We aim to transmit more information by carrying articles . We will delete it soon, if we are involved in the problems of article content ,copyright or other problems.


This circuit uses Al of the CA3290 BiMOS dual voltage comparator to sense a change in light diode current. A2, a one-shot timer, is triggered by the Al output.
Light-controlled-one-shot-timer

If the light source to the photodiode is interrupted, the circuit output switches to a low state for approximately 60 s.



Reprinted Url Of This Article:
http://www.next.gr/sens-detectors/light/light-controlled-one-shot-timer-l13431.html