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.

CFA835 - 244x68 Graphic LCD - Crystalfontz

FAQ: How Do I Display an Image on the Crystalfontz 835 LCD Module?

Question: How do I display an image on CFA835 module using the RS232 interface? Answer:  You can send an image directly from your host application, or read it off the uSD card. Image Requirements for Use on an LCD Module The image needs to be a BMP, grayscale, 8 bits/pixel, no compression, Microsoft Windows format only. …

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Tutorial: Connect an Arduino to a Crystalfontz 533 Keypad LCD

In our last post, we talked about connecting a Raspberry Pi to a Crystalfontz LCD. In this post, we look at connecting an Arduino Uno with a CFA533 I2C LCD with a keypad. This gives you the ability to output and control your Arduino via I2C using a character module with a keypad interface. Let’s Get Started Step …

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