2 open source boards using the ULN2803/2003
Real designs built with the ULN2803/2003, 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.
Flips15
cawapy
100 × 100 mm66 parts2LNo license3
Flips10Driver
21.6 × 41.3 mm43 parts2LNo license3
The ULN2803/2003 in open source designs
The gallery holds 2 open source boards using the ULN2803/2003 from 1 GitHub repository; a typical one measures about 60.8 × 70.6 mm and carries around 55 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is Flips15 by cawapy.
What boards using the ULN2803/2003 are built for
ULN2803/2003: common questions
Where can I find a ULN2803/2003 reference design?
Each of the 2 boards on this page is a real design using the ULN2803/2003. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the ULN2803/2003?
The median is 60.8 × 70.6 mm, and 100% are two-layer designs.
What is the most popular open source board using the ULN2803/2003?
By GitHub stars, Flips15 by cawapy, with 3 stars.
Can I simulate one of these boards using the ULN2803/2003 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.