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.
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 … Read more Code Questions: CFAL4864A-071BW
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 … Read more New Products in 2022
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 … Read more CFA632 and CFA634 Custom Characters
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 … Read more What is a Display?
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 … Read more RGB and Color Depth
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 … Read more Spring ’22: New Products
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, … Read more Tiny OLED Full Color Slideshow
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 … Read more Transparent OLED Smart Glasses
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 … Read more Are These Displays Compatible?
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 … Read more New Products Versions – Summer ’21
We are often asked how to drive a backlight in our displays. There are three main ways to do so: with an LED driver, a current generating resistor, or a current generating resistor and a transistor. We will explore the benefits and drawbacks of these choices. It’s important to remember that display backlights are typically … Read more How to Drive a Display Backlight
