The Legendary HD44780 Controller

HD44780 Controller -

Modern Character LCD display modules have been possible since 1987 when Hitachi introduced the HD44780 LCD controller. Since then, Hitachi no longer manufactures this integrated circuit (IC), but modern LCD controller ICs make it a point to be HD44780-compatible. Controller Compatibility The character LCD display modules offered by Crystalfontz America Inc. are no exception to … Read more The Legendary HD44780 Controller

Engineering Project: Crystalfontz 835 and an Arduino Mega 2560

32 Ton Hydraulic Press Brake - image courtesy of

Crystalfontz actively supports learning, especially for engineers-in-training. A few months ago, we were approached by a senior student working on a capstone project at EWU and the project was unveiled at a poster presentation on June 1st at the university. We are impressed by this project, incorporating a Crystalfontz 835 LCD module and an Arduino … Read more Engineering Project: Crystalfontz 835 and an Arduino Mega 2560

Engineering and Art

2016 Mosaic in LCD font -

Engineers are known for their curious and typically black-and-white way of thinking. They tackle the tough problems. They love math. Order and matching rule. Their art is usually defined by measurable parameters — CAD drawings, tracings, and placements of resistors. Crystalfontz electrical engineer Brent recently did some mosaic artwork, inspired by his wife who enjoys … Read more Engineering and Art

What is the Difference Between OLED, PMOLED, and AMOLED?

128 x 64 Graphic OLED

Confused about the differences (and similarities) between OLEDs, PMOLEDs, and AMOLEDs? Quick Version: OLED stands for Organic Light Emitting Diode. PMOLED is Passive Matrix OLED — Passive Matrix Organic Light Emitting Diode. AMOLED is Active Matrix OLED. An Active Matrix OLED uses a TFT (Thin Film Transistor) transistor-per-pixel architecture. Learn More To find out more … Read more What is the Difference Between OLED, PMOLED, and AMOLED?

LCD Glossary

Edge LED Backlight -

Wondering how LCDs are constructed? How liquid crystals create an image? Or how backlights arranged for best viewing? What about different types of connections (SPI and I2C) and ways to drive LCD displays? So many questions. We have answers — check out the new Crystalfontz LCD Glossary. Growing Glossary of LCD Terminology and Acronyms This glossary will … Read more LCD Glossary

5 Question Interview: Alicia


This interview is part of a series of 5-question interviews to meet the people at Crystalfontz who are part of our engineering team, answer the phone, answer support tickets, and ship your orders. First up, Alicia from Crystalfontz Logistics. Her duties are all over the place – customer service, receiving, shipping, and purchasing. Wherever you … Read more 5 Question Interview: Alicia

New Product: Arduino and LCD Module Bundles

Arduino With Graphic LCD

Crystalfontz America announces three new supporting products for the128x64 pixel COG (Chip-On-Glass) graphic LCD display module series of displays based on the CFA10072 carrier board. 128×64 Graphic LCD Breakout Kit Using SPI or 8-bit parallel interface, simply connect the standard 20-pin header (0.100″ pitch) to your system’s PCB, using WR-JMP-Y40 jumper wires. No soldering required. … Read more New Product: Arduino and LCD Module Bundles