View Full Version : light detection

09-16-2007, 12:20 AM
i have to design a light controlled switch that has to work under normal indoor ambient lighting. i was thinking of using many ldrs in series but i'm afraid dat it may be trigerred by some reflections or stray light from surroundings.please suggest me d possible solutions to my problem

thanks in advance

09-16-2007, 12:58 AM
Please dont post multiple topics :evil:

SEcondly please can you define how you system will trigger and what is its function ?

09-21-2007, 11:12 AM
Use modulated light soure.