Tinkercad Circuits – Free online Arduino simulator Arduino UNO – The microcontroller used in all projects LCD, Keypad, Piezo, LDR, PIR sensor, Ultrasonic, LM35, Servo motor, Photodiode, Neopixel strip ...

This tutorial demonstrates how to control the backlight of a 16x2 LCD display using an Arduino Uno and a button. The provided script allows you to toggle the LCD backlight on and off with a button ...