2 open source boards using the NRF21540-QDAA-R7

Real designs built with the NRF21540-QDAA-R7, 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 NRF21540-QDAA-R7 in open source designs

The gallery holds 2 open source boards using the NRF21540-QDAA-R7 from 2 GitHub repositories; a typical one measures about 40 × 65 mm and carries around 125 components.

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

The most starred is CC M7 by OzanE1.

Microcontrollers on boards using the NRF21540-QDAA-R7

NRF21540-QDAA-R7: common questions

Where can I find a NRF21540-QDAA-R7 reference design?

Each of the 2 boards on this page is a real design using the NRF21540-QDAA-R7. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

What parts are used alongside the NRF21540-QDAA-R7?

The 24AA64T-I/OT, BMI088, BMM150, BMP581 and ICP-20100 appear in the most repositories here.

Which microcontrollers do boards using the NRF21540-QDAA-R7 use?

Most are built on STM32 (2).

How big is a typical board using the NRF21540-QDAA-R7?

The median is 40 × 65 mm, and 0% are two-layer designs.

What is the most popular open source board using the NRF21540-QDAA-R7?

By GitHub stars, CC M7 by OzanE1, with 0 stars.

Can I simulate one of these boards using the NRF21540-QDAA-R7 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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