Content for HD44780

HD44780

The Hitachi HD44780 LCD controller is an alphanumeric dot matrix liquid crystal display (LCD) controller developed by Hitachi. The character set of the controller includes ASCII characters, Japanese Kana characters, and some symbols in two 28 character lines. Using an extension driver, the device can display up to 80 characters.

Universal HD44780 LCD interface

“This project provides a universal interface to drive the popular Hitachi HD44780 LCD controller. YALI (Yet Another LCD Interface) is an open-source project to provide a universal interface to drive the popular Hitachi HD44780 LCD controller. This module supports 3 …

Towards An HD44780-Based Video Mode

“The following documentation describes a potential way to drive HD44780-style 16x2 character LCDs in graphics mode by using a synchronized updating scheme and complementary special characters. This concept introduced here can be combined with minimal hardware modifications to re-purpose …

6502 Home Computer

“This is a description of my attempt to build a simple microcomputer system with an 8-bit MOS 6502 CPU or one of its derivatives that was used in many popular home computers of the 1970s and 1980s like the Commodore …

Web Clock Version 2.0

“This digital clock is based on ESP8266 WIFI micro-controller unit. The flavor used for project design and creation is WEMOS D1 mini which is equipped with a ESP-12F (ESP8266), a 5v to 3.3v regulator, a CH340G USB to …

The Morse Translator with Arduino

“What it does: It translates your morse code into English words! With this Morse Translator you can improve your morsing skills. Imagen,if the zombie apocalypse will happen, this will be the only way to communicate. Start practicing now!! … or …

RFID Card reader with Arduino,RFID-RC522 and LCD 16x2

“Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. The tags contain electronically stored information. Passive tags collect energy from a nearby RFID reader’s interrogating radio waves. Active tags have a local power …

DIY Arduino-Based Sous-Vide Machine

“Build your very own sous-vide machine and get perfectly cooked meals with high-precision temperature control. Grab your Arduino, a rice cooker, and a temperature sensor and let’s get started. Are you a foodie or simply just enjoy eating a …

CO2, Temperature and Humidity Monitor

“CO2 Monitoring is mandatory in many workplaces and it affects two of my clients directly in Barrel Halls where wine is stored and aged in temperature and environmentally controlled areas. The table below shows the affects of various concentrations in …

Interfacing HD44780 based LCDs with STM32 MCUs

“In this article I will discuss my small library for interfacing hd44780 based alphanumeric LCD module with latest STM32F0 series of 32 bit ARM based MCUs. I have used Keil uVision 5 IDE for compilation of this project. This library …

One wire brings power & data to LCD module

“Embedded systems frequently use HD44780-type LCD displays as it is considered the most popular alphanumeric display controller. The interface comprises at least 14 pins: eight for data, three for control (EN, WR, RS), two for power supply (Vdd, Vss …

HD44780 Character LCD Displays

The circuits presented today allow the control of a LCD display that has a very common chip to be controlled by a micro-controller HD44780 or one that is compatible with this one. There are several formats for this LCD, however …