4 open source boards using the SCD41-D-R2

Real designs built with the SCD41-D-R2, 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 SCD41-D-R2 in open source designs

The gallery holds 4 open source boards using the SCD41-D-R2 from 3 GitHub repositories; a typical one measures about 52.5 × 59.7 mm and carries around 75 components.

75% use four copper layers or more, and 75% carry an open source license.

The most starred is AirCube by StuckAtPrototype.

Parts used alongside the SCD41-D-R2

Microcontrollers on boards using the SCD41-D-R2

What boards using the SCD41-D-R2 are built for

SCD41-D-R2: common questions

Where can I find a SCD41-D-R2 reference design?

Each of the 4 boards on this page is a real design using the SCD41-D-R2. 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 SCD41-D-R2 use?

Most are built on ESP32 (3).

How big is a typical board using the SCD41-D-R2?

The median is 52.5 × 59.7 mm, and 25% are two-layer designs.

What is the most popular open source board using the SCD41-D-R2?

By GitHub stars, AirCube by StuckAtPrototype, with 357 stars.

Can I simulate one of these boards using the SCD41-D-R2 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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