Light Dependent Resistor (LDR) - Working Principle and Its Applications
LDR sensor - How to use a Light Dependent Resistor - DIY Engineers
Simple LDR Circuit to Detect Light
I'm making a simple dark sensor project with a light dependent resistor (LDR) and I want to replace the LED with a buzzer but it doesn't work - Electrical Engineering Stack Exchange
Pairing a Light Dependent Resistor with an Arduino - Circuit Basics
The Light Dependent Resistor (LDR) - DIYODE Magazine