5 open source boards using the 4075
Real designs built with the 4075, 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.
RP2040/RP2350Pico Interface One
derekfountain
100 × 99.9 mm32 parts4LGPL-2.041
Tesla-Coil-MIDI-Synth
ucsbieee
132.1 × 61 mm94 parts4LNo license4
1802-Mini-Pixie-Video
dmadole
100 × 100 mm49 parts2LGPL-3.02
New interrupt handler
Trilobyte-CPU
72.7 × 52.6 mm43 parts4LNo license2
CLOCK
60.5 × 56.4 mm29 parts4LNo license2
The 4075 in open source designs
The gallery holds 5 open source boards using the 4075 from 4 GitHub repositories; a typical one measures about 100 × 61 mm and carries around 43 components.
80% use four copper layers or more, and 40% carry an open source license.
The most starred is Pico Interface One by derekfountain.
Microcontrollers on boards using the 4075
What boards using the 4075 are built for
4075: common questions
Where can I find a 4075 reference design?
Each of the 5 boards on this page is a real design using the 4075. 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 4075 use?
Most are built on RP2040/RP2350 (1).
How big is a typical board using the 4075?
The median is 100 × 61 mm, and 20% are two-layer designs.
What is the most popular open source board using the 4075?
By GitHub stars, Pico Interface One by derekfountain, with 41 stars.
Can I simulate one of these boards using the 4075 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.