How can we find the emitter and collector of an LDR. I am using it in the following circuit but I don't know how to identify which terminal of the LDR is emitter or collector. Here it is mentioned ...
I've been building a light based alarm system, using an LDR, Op Amp, AND gate, some resistors, and an output of buzzers.. Here's my circuit so far... It beeps when it senses light as well as being ...