1 open source board using the ULN2803
Real designs built with the ULN2803, 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.
klaus-lieblerThe ULN2803 in open source designs
The gallery holds 1 open source boards using the ULN2803 from 1 GitHub repository; a typical one measures about 100 × 86.5 mm and carries around 317 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is SensactHs by klaus-liebler.
Microcontrollers on boards using the ULN2803
What boards using the ULN2803 are built for
ULN2803: common questions
Where can I find a ULN2803 reference design?
Each of the 1 boards on this page is a real design using the ULN2803. 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 ULN2803 use?
Most are built on ESP32 (1).
How big is a typical board using the ULN2803?
The median is 100 × 86.5 mm, and 100% are two-layer designs.
What is the most popular open source board using the ULN2803?
By GitHub stars, SensactHs by klaus-liebler, with 4 stars.
Can I simulate one of these boards using the ULN2803 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.