ISO 9001:2015 Certification for Crystalfontz

Crystalfontz ISO 9001:2015 Certificate

What is ISO Certification? ISO stands for International Organization for Standardization. It is an organization consisting of 161 national standards bodies based in Geneva, Switzerland. The purpose of ISO ensures an international standard of measuring and regulating products and services to ensure quality and safety at all points. From the ISO website: International Standards mean that consumers can have … Read more ISO 9001:2015 Certification for Crystalfontz

FAQ: Why does the initialization code for a 20×4 LCD specify 2-line mode?

Why does the initialization code for a 20x4 LCD specify 2-line mode? Source: crystalfontz.com

When working with a 20×4 character LCD, you might be surprised to see the controller set to 2-line mode: Write_To_LCD(COMMAND,0x38); //SET 2 LINE,5*8 FONT Why would a 4-line LCD’s controller be set to 2-line mode? It has to do with the way the LCD glass is laid out. Essentially the display is the right and … Read more FAQ: Why does the initialization code for a 20×4 LCD specify 2-line mode?

FAQ: What is the Difference Between a TFT, LCD, and OLED?

RGB TFT display - crystalfontz.com

Confused about the differences between TFTs, LCDs, and OLEDs? What Do They Stand For? TFT stands for Thin Film Transistor (shorthand for “Active Matrix TFT LCD”) LCD stands for Liquid Crystal Display (shorthand for “Passive Matrix LCD) OLED stands for Organic Light Emitting Diode How Do They Work? TFT displays are also known as an “Active Matrix TFT LCD module” … Read more FAQ: What is the Difference Between a TFT, LCD, and OLED?

A Look Back in Tech History: The HD44780 Controller Data Sheet

1985 HD44780 Controller Data Book - crystalfontz.com

Sherman, set the wayback machine to 1985: We are going to take a look at the original HD44780 Data Sheet. Some time back, we wrote about the legendary HD44780 controller, to which the modern character LCD industry owes much of its existence. Having been in the business of designing embedded electronics for some time, we … Read more A Look Back in Tech History: The HD44780 Controller Data Sheet

RAM, ROM, GROM….What Do These Terms Mean?

Sample CGROM - www.crystalfontz.com

Acronyms are easily recognizable and a quick shorthand when reading technical documents. But they can also be confusing when they are similar in appearance and what they represent. Memory and Character Generators New additions to the Crystalfontz Glossary: RAM, ROM, DDRAM, CGRAM, and CGROM. These glossary entries outline what these acronyms stand for and how … Read more RAM, ROM, GROM….What Do These Terms Mean?

A Quick ePaper Primer

ePaper Square Module by Crystalfontz

Did you know that ePaper modules emulate ink used  for paper? Check out the meaning of the glossary term electrophoresis and how it relates to ePaper module displays. Need ePaper for Your Project? For assistance in determining what ePaper module is the best one for your application, please contact our knowledgeable and friendly support staff by email, phone, or … Read more A Quick ePaper Primer

The Legendary HD44780 Controller

HD44780 Controller - crystalfontz.com

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

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 - www.crystalfontz.com

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