3 open source boards using the MAX7219CNG

Real designs built with the MAX7219CNG, 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.

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The MAX7219CNG in open source designs

The gallery holds 3 open source boards using the MAX7219CNG from 2 GitHub repositories; a typical one measures about 80 × 80 mm and carries around 28 components.

100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.

The most starred is MAX7219 Breakout System by MobiFlight.

Microcontrollers on boards using the MAX7219CNG

ESP32 1

What boards using the MAX7219CNG are built for

MAX7219CNG: common questions

Where can I find a MAX7219CNG reference design?

Each of the 3 boards on this page is a real design using the MAX7219CNG. 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 MAX7219CNG use?

Most are built on ESP32 (1).

How big is a typical board using the MAX7219CNG?

The median is 80 × 80 mm, and 100% are two-layer designs.

What is the most popular open source board using the MAX7219CNG?

By GitHub stars, MAX7219 Breakout System by MobiFlight, with 16 stars.

Can I simulate one of these boards using the MAX7219CNG 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.