3 open source boards using the ADA4891-2

Real designs built with the ADA4891-2, 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.

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The ADA4891-2 in open source designs

The gallery holds 3 open source boards using the ADA4891-2 from 3 GitHub repositories; a typical one measures about 80 × 53.6 mm and carries around 152 components.

100% use four copper layers or more, and 67% carry an open source license.

The most starred is PhaseLoom by AndersBNielsen.

Microcontrollers on boards using the ADA4891-2

What boards using the ADA4891-2 are built for

ADA4891-2: common questions

Where can I find a ADA4891-2 reference design?

Each of the 3 boards on this page is a real design using the ADA4891-2. 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 ADA4891-2 use?

Most are built on AVR/Arduino (1), RP2040/RP2350 (1) and STM32 (1).

How big is a typical board using the ADA4891-2?

The median is 80 × 53.6 mm, and 0% are two-layer designs.

What is the most popular open source board using the ADA4891-2?

By GitHub stars, PhaseLoom by AndersBNielsen, with 45 stars.

Can I simulate one of these boards using the ADA4891-2 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.