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2:36
YouTube
College of Scripting
Light Detector Circuit on Breadboard
In this video, I build a simple light detector circuit on a breadboard using just a handful of components. The setup uses a PNP 3906 transistor, resistors, an LDR (light-dependent resistor), and a single LED powered by 3 volts. When light levels change, the circuit responds by controlling the LED, making this an easy and fun project to ...
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