LDR - Light Dependent Resistor - Photoresistor

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Photoresistor with NPN Transistor

  • a sensor that changes its resistance when light shines on it.

PhotoResistor_NPN Transistor.png https://www.tinkercad.com/things/f3NZXbI6XFk-ldr-photoresistor-npn-transistor-

  • make a 15 K ohm resistor with 10K and 5 K in series

USe non transistor Light Dependent Resistor Demo :

LDR_demo.png

  • Replace LED with an Active Buzzer

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