2 open source boards using the ULN2003AN
Real designs built with the ULN2003AN, 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.
ESP32Smart home
vishal007-hacker
200 × 100 mm76 parts2LMIT0
Rfm adapter pi
fixxl
65 × 56.1 mm25 partsNo license10
The ULN2003AN in open source designs
The gallery holds 2 open source boards using the ULN2003AN from 2 GitHub repositories; a typical one measures about 132.5 × 78 mm and carries around 51 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Rfm adapter pi by fixxl.
Microcontrollers on boards using the ULN2003AN
What boards using the ULN2003AN are built for
ULN2003AN: common questions
Where can I find a ULN2003AN reference design?
Each of the 2 boards on this page is a real design using the ULN2003AN. 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 ULN2003AN use?
Most are built on ESP32 (1).
How big is a typical board using the ULN2003AN?
The median is 132.5 × 78 mm, and 100% are two-layer designs.
What is the most popular open source board using the ULN2003AN?
By GitHub stars, Rfm adapter pi by fixxl, with 10 stars.
Can I simulate one of these boards using the ULN2003AN 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.