6 open source boards using the MAX7219

Real designs built with the MAX7219, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.

The MAX7219 in open source designs

The gallery holds 6 open source boards using the MAX7219 from 5 GitHub repositories; a typical one measures about 22 × 54 mm and carries around 70 components.

67% are two-layer designs, the rest use four layers or more, and 67% carry an open source license.

The most starred is SchrackCounter by bismarx-v1.

Microcontrollers on boards using the MAX7219

What boards using the MAX7219 are built for

MAX7219: common questions

Where can I find a MAX7219 reference design?

Each of the 6 boards on this page is a real design using the MAX7219. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

Which microcontrollers do boards using the MAX7219 use?

Most are built on ESP32 (2).

How big is a typical board using the MAX7219?

The median is 22 × 54 mm, and 67% are two-layer designs.

What is the most popular open source board using the MAX7219?

By GitHub stars, SchrackCounter by bismarx-v1, with 2 stars.

Can I simulate one of these boards using the MAX7219 before building it?

Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.

Browse boards by part