MAX7219 Articles

DIY Arduino Lip Sync Robot with Adorable Expressions

2025-02-14 by admin

Recently, I saw a super cute little doll made with a dot matrix LED screen in a maker group. When there is sound, the LED screen shows animations, which is very interesting. Coincidentally, I have a dot matrix LED, so I decided to make one myself. I found that there really is such a thing … Read more

Display Driver for 8×8 Dot Matrix Display Module

2025-01-22 by admin

Display Driver for 8x8 Dot Matrix Display Module

The 8×8 dot matrix display module is a device based on the MAX7219 control chip. In a single-level usage scenario, one MAX7219 can control a single 8×8 dot matrix display. If cascading is used, multiple dot matrix displays can be driven simultaneously to achieve the display effect of a dot matrix information screen. Using the … Read more