Learn how to use reflective LCD display with Arduino UNO. The display does not have any backlight, but it´s nicely readable on the direct sunlight. It uses the chip ST7302 and has the resolution of ...

[Usmar A. Padow] put together an Arduino Uno, SD card, four line character LCD, and PS/2 keyboard. but he’s also included alternative options to go without an LCD screen by using a computer ...

This project implements a password entry system using Arduino, where users enter a 4-digit password via a keypad, and the entered password is displayed on an LCD. If the password matches the preset ...

Learn how to easily adjust the contrast of a 1602 LCD display using Arduino. In this quick tutorial, I’ll show you a simple trick to control the contrast electronically, without relying solely on the ...