LCDs

What is the Difference Between Passive STN Segment, Alphanumeric, and Graphic Displays?

Passive STN (Super Twisted Nematic) displays come in three major types: 1) Segment 2) Alphanumeric / Character 3) Graphic Let’s take a closer look at these 3 types of displays. Segment LCDs A Segment display is the type of thing you see in gas pumps, calculators, or simple meters. It can usually show a few … Read more What is the Difference Between Passive STN Segment, Alphanumeric, and Graphic Displays?

A Closer Look: Crystalfontz ePaper 200×200 1.54″ Zero-Power Display

Crystalfontz e-paper 200x200

This black and white 200×200 e-paper display module is a perfect size for small, low power electronic shelf labels. Once the epaper’s eink image is shown, it remains visible with zero additional power! These e-Paper displays will retain the last image shown on their screen indefinitely, with no electrical connections and zero power consumption. Additional Benefits … Read more A Closer Look: Crystalfontz ePaper 200×200 1.54″ Zero-Power Display

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?

Not So FAQ: Can you use 30 temperature sensors, 200 feet from the PC ?

633 WinTest Temperature Measurement - crystalfontz.com

Here is a not-so-common customer question: Is it possible to measure server temperatures using 30 different sensors, 200 feet away from the computer? Answer: Yes, this possible! Our WRDOWY17 temperature sensor is a natural choice for this type of application. The Crystalfontz 16×2 character LCD with keypad gives an easy serial or USB interface to 32 WRDOWY17 sensors. … Read more Not So FAQ: Can you use 30 temperature sensors, 200 feet from the PC ?

Engineering Project: Crystalfontz 835 and an Arduino Mega 2560

32 Ton Hydraulic Press Brake - image courtesy of http://nuclearprojects.com/

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 - crystalfontz.com

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

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

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