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.
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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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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How to Drive a Display Backlight
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
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Transparent OLED Breakout Board: FAQs
Do you have a transparent OLED question? Check out this compilation of frequently asked questions about the transparent OLED display and the transparent OLED breakout board (CFA10105). First, a lot of other questions can be answered by checking out these resources: CFA10105 datasheet (will download) Transparent OLED datasheet Getting started guide (for Seeeduino) Transparent on
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Graphic LCD Adapter Board: CFA10110 Getting Started
Relevant Displays and Kits Do you need help getting started with your graphic LCD and CFA10110 adapter board? This getting started guide helps bring up any of the following displays or kits: If you need a guide for the CFAG12864T3 or CFAG12864U3 using a generic breakout board, check out this getting started guide or our
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Resistive Touch vs. Capacitive Touch
When deciding between resistive and capacitive touch, be sure to consider where as well as how the display will be used.
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Transparent OLED on Raspberry Pi
One of our most frequently asked questions is “Can I use the transparent OLED with a Raspberry Pi?” The answer is a resounding Yes! The transparent OLED can be driven by the GPIO pins of the RPi. And even better? It’s really quite simple! How To Use a Raspberry Pi to Run a Transparent Display
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Display Supply Chain: What to Expect in 2021
We know that December is often a planning and logistics heavy month. We want to let you know what to expect from your display supplier in the coming months. Chinese New Year Every year at this time, we at Crystalfontz are in mid-swing planning for Chinese New Year. Unfortunately for us but luckily for you,
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