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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Arduino Shield LCD Giveaway!
We recently replaced our family of CFAO12864D3 graphic LCD displays with a new family of 128×64 low power backlit LCDs, but we have some of the Blue D3 displays left in stock. They’re great displays with bright backlights and we have an Arduino-shield style breakout board for them, so they’re great for hobby builders! 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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New Products and a Supply Chain Update
As you’re likely aware, electronics shortages and supply chain problems have amplified from ripples to big waves in the past few months. Back in December 2020, we released a blog post warning about some shortages, and the market has not settled. We are actively working with our suppliers to make sure we have the displays
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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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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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New Displays and Accessories
We’ve been working hard this year to make more display options available on our website. We have introduced a new board, the CFA10110 for our family of graphic LCDs, a new size in our EVE collection (what is an EVE display?), expanded our options in 5″ displays, and added a few accessories for individual purchase.
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