5 open source boards using the 4504
Real designs built with the 4504, 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/RP2350Useq1
Emute-Lab-Instruments
40.6 × 108 mm163 parts2LNo license45
C6021light
GBert
100 × 50 mm74 parts2LNo license36
Useq
40.6 × 108 mm29 parts2LNo license45
S88iso
70 × 50 mm29 parts2LNo license36
C8051-test
48.3 × 54.6 mm13 parts2LNo license36
The 4504 in open source designs
The gallery holds 5 open source boards using the 4504 from 2 GitHub repositories; a typical one measures about 48.3 × 54.6 mm and carries around 29 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is Useq1 by Emute-Lab-Instruments.
Microcontrollers on boards using the 4504
What boards using the 4504 are built for
4504: common questions
Where can I find a 4504 reference design?
Each of the 5 boards on this page is a real design using the 4504. 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 4504 use?
Most are built on RP2040/RP2350 (1).
How big is a typical board using the 4504?
The median is 48.3 × 54.6 mm, and 100% are two-layer designs.
What is the most popular open source board using the 4504?
By GitHub stars, Useq1 by Emute-Lab-Instruments, with 45 stars.
Can I simulate one of these boards using the 4504 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.