Light Dependent Resistor (LDR) tutorial Raspberry Pi & Arduino

The LDR (light dependent resistor) is the most basic and fundamental light sensor for the DIY tech maker, the LDR uses semiconductor technology to emulate resistors and change resistance based on the amount of light hitting it. Learn how to wire LDR to your Arduino & Raspberry Pi circuit and write code for your Raspberry Pi and Arduino in python and C++.

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