2 open source boards using the MC3303PT

Real designs built with the MC3303PT, 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 MC3303PT in open source designs

The gallery holds 2 open source boards using the MC3303PT from 1 GitHub repository; a typical one measures about 67.9 × 75.9 mm and carries around 186 components.

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

The most starred is Power Supply (plus UBBB 32u4 rev 1.2) by thebiguno.

Microcontrollers on boards using the MC3303PT

What boards using the MC3303PT are built for

MC3303PT: common questions

Where can I find a MC3303PT reference design?

Each of the 2 boards on this page is a real design using the MC3303PT. 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 MC3303PT use?

Most are built on AVR/Arduino (2).

How big is a typical board using the MC3303PT?

The median is 67.9 × 75.9 mm, and 100% are two-layer designs.

What is the most popular open source board using the MC3303PT?

By GitHub stars, Power Supply (plus UBBB 32u4 rev 1.2) by thebiguno, with 75 stars.

Can I simulate one of these boards using the MC3303PT 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