#include <Adafruit_LiquidCrystal.h> - Imports the Adafruit LCD library to communicate with the LCD display. int counter = 0; - Declares and initializes a variable to keep track of the count.

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 ...

LCD controller board has an inbuilt potentiometer to control contrast of LCD. Pin diagrams of IC and LCD controller are given below. Circuit diagram. Connections for interfacing LCD with ESP32 is ...