Light Sensitive Switch Using CA3140 Op-Amp & Relay
Light Sensitive Switch is a simple project which operates a relay when the light falling on the LDR goes above a set point. Supply input 12 VDC @ 50 mA Relay output SPDT relay Onboard preset to set the level Relay ON LED indicator Screw terminal connector for easy relay output connection Four mounting holes of 3.2 mm each PCB
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