This project uses an HC-SR04 ultrasonic sensor and Arduino UNO to measure the distance of objects in both centimeters and inches. The measured data is displayed on an I2C LCD. The project was ...

This project is a microcontroller-based Electronic Voting Machine (EVM) built using an Arduino Uno and an I2C LCD display. It allows voting for four candidates and displays the voting results, ...

Reference circuit diagram of an Arduino-compatible LCD backpack is shown below. What follows next is information on how to use one of these inexpensive backpacks to interface with a microcontroller in ...