1 open source board using the ULN2003ADR

Real designs built with the ULN2003ADR, 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.

The ULN2003ADR in open source designs

The gallery holds 1 open source boards using the ULN2003ADR from 1 GitHub repository; a typical one measures about 30 × 60 mm and carries around 25 components.

100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.

The most starred is SplitFlapDriverATtiny1616V4.kicad pcb by adamgmakes.

Microcontrollers on boards using the ULN2003ADR

ULN2003ADR: common questions

Where can I find a ULN2003ADR reference design?

Each of the 1 boards on this page is a real design using the ULN2003ADR. 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 ULN2003ADR use?

Most are built on AVR/Arduino (1).

How big is a typical board using the ULN2003ADR?

The median is 30 × 60 mm, and 100% are two-layer designs.

What is the most popular open source board using the ULN2003ADR?

By GitHub stars, SplitFlapDriverATtiny1616V4.kicad pcb by adamgmakes, with 182 stars.

Can I simulate one of these boards using the ULN2003ADR 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.

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