MAX7219 Dot Matrix Module 32x8 4 in 1 LED Display Modules for Arduino Raspberry Pi Microcontroller with 5Pin Wires Green (Pack of 2)

These max7219 units are solid performers, I actually purchased 2 more pairs in order to try and make a 16x64 scrolling model, my grandson is having a blast as we put up different text and animations. Also not to difficult to get it going.

These green LED ALAMSCN MAX7219 Dot Matrix Modules are OK for static displays, but if I were going to attempt to scroll data across them, the large gaps between the 8x8 bricks of LEDs would show as stopped gaps in the otherwise moving message. Luckily, I'm not scrolling with the project for which I ordered these units, so it's not as noticeable. But if you plan to use these for scrolling data, I'd suggest you look elsewhere. I compared the circuit board's width against a different unit whose LED bricks are touching one another, and the circuit board for this unit is significantly wider (by the same distance as the extra spaces between all the bricks).

Used with an ESP8266 Microcontroller to make a fun Internet clock. The Green color is nice. Very easy to work with and well packaged. Will probably buy more later.

i bought two packs for a total of 4 boards. I had bought tje types of boards before. this purchase inparticular two boards did not light up very well. they were much dimmer. Was disappointed but I actually had other Green LED panels as extras from other past boards that worked.

These modules arrived quickly and worked as advertized.