This ie example of LCD 1602A screen working with Raspberry pi in 4 bits mode (with less cables). The program is written in C and uses WiringPi lib when it is compiled. lcd_send_nibble(): Sends 4 bits ...
This repository contains code and wiring instructions for an ESP32 project that measures distance using an HC-SR04 ultrasonic sensor and displays the result on a Freenove I2C LCD 1602 display module.