Cpe, show me the schematic of what your are trying to do. You are talking about the LDR? Yor IC must be an array of Op Amps. I have the schematics for light sensor sing Op Amps. Your topic is parking monitor. looks like you want to sense when the slot is filled or not. I saw these in some parking floors. kapag ocuupied, patay and overhead light. this way, madali makita ang vacante. Next is to wire it to a central monitor. Pwede e wireless yan by floors.
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