Frequently Asked Questions
Our support team sometimes notices they’ve received the same question a few times. When that occurs, we add it to our FAQ queue, to make a blog post accessible to everyone. These FAQs include how to get devices working, questions about the display industry, questions about microcontrollers, and more! Do you have a question not covered here? Contact Crystalfontz Support.
Custom Images on EVE Displays
A frequent question that is received by our support team is how to load custom images on our EVE lineup of displays. Due to differences in the EVE processors between boards and other factors, depending on the display you have, the process may change. The different processes for the boards have been outlined below. The […]
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Code Questions: CFAL4864A-071BW
Our customer support team is here to help! We have recently received some questions about our small 0.71″ OLED display. These questions and answers are also relevant to our 0.66″ OLED display, which shares the same pinout and controller (the SSD1306). To send 8 bytes of data using SPI, each byte requires 8 data clocks
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New Products in 2022
Our team has been working hard this year to bring new products to the market and to ensure our parts are continually available. Low Cost Graphic LCD This display was specially designed to have a matching form factor to our popular 128×64 graphic displays. We wanted a display with increased capabilities but without the price
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CFA632 and CFA634 Custom Characters
We recently received a question about setting custom characters on our CFA632 and CFA634 modules. The datasheet includes an example of using custom characters which looks like this: The customer wanted to know what was going on and what would the custom characters look like. Here is how our support engineer answered: 1. The example
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What is a Display?
Brand new to displays? This post is the perfect start point. What does “display” mean? When we say “display” we are speaking generally about all LCD, TFT, OLED, and ePaper displays. Sometimes displays are included in a module that adds features and these modules are still called “displays” so that can certainly be confusing. In
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RGB and Color Depth
How do TFTs show color? What is color depth for RGB displays? What is the difference between 16.7M colors and 262k? Let’s explore it! How Do TFT LCDs Show Color? To start, let’s discuss how RGB LCDs work. TFT LCDs (thin film transistor liquid crystal displays) comprise a series of layers: Each pixel of a
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Spring ’22: New Products
7″ EVE TFT New to our EVE display line-up and our biggest EVE display yet, the 7″ EVE uses Bridgetek’s BT817 to simplify integrating this display. This display module has 1024×600 pixels, a capacitive touchscreen, a sunlight readable backlight, mounting stand-offs, and can be powered off a single 5v voltage source. Product Changes As with
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Tiny OLED Full Color Slideshow
This guide will walk through how to get started with one of our small full color OLED displays. Then, we’ll talk about a super quick and easy project to do with this display – a photo slideshow! The display we’ll be using is a 0.96″ full color OLED. We have two versions of this display,
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Transparent OLED Smart Glasses
Kevin Choi’s Transparent OLED Glasses with Fresnel Lenses We’ve seen a lot of people making glasses out of our transparent OLEDs, but this is the first iteration we’ve seen that uses lenses to make the display viewable. Kevin Choi (@k.choiii) shared some details of his build with us. Check out his page for more images
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Are These Displays Compatible?
One common topic of support questions our team receives are about replacement displays or about whether two displays are compatible. We’re happy to help you determine whether displays are compatible or not! Here are the steps we take to determine compatibility: Step 1: Is the pin out compatible? This first step is really the most
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New Products Versions – Summer ’21
Crystalfontz works hard to ensure our products are available for the long haul. On this theme, the past few months we have released numerous products that are direct replacements for parts that had an EOL component or other change. Most of our customers are likely familiar with the on going disruption in the electronics and
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