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Simple Ldr Circuit To Detect Light.
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It Makes Use Of The Photovoltaic Voltage Developed Across The Led When It Is Exposed To Light.
This optocoupler isolates the high ac. Web 10.04.2010 ca3140 photodiode projects and circuits share this: It makes use of the photovoltaic voltage developed across the led when it is exposed to light.
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In This Circuit, An Optocoupler Ic Moc3021 Is Used.
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