Arduino, Cpp.
LED (Light Emitting Diode) with an LDR through Arduino IDE programming. Objective: Make an LED light up in the absence of light on an LDR (Light Dependent Resistor). List of materials: 1 LED, 1 Arduino UNO, 1 breadboard, jumpers, 1 LDR, 2 resistors of 2200 ohms or any with similar resistance.