Edge io ring
About the Edge io ring PCB
Edge io ring is an open source Nordic nRF PCB design by gunnchOS3k, published on GitHub under the MIT license. It is a 2-layer board measuring 19 × 19 mm, with 8 components from 8 distinct parts.
Its main chip is the NRF52840-CKAA-R, from the Nordic nRF family. Other key parts include the BMI270, DRV2605LDGSR and BQ25100YFPR. By type, the board carries 4 ICs, 2 connectors, 1 module and 1 battery holder.
From the project
gunnchOS3k MLV — 7GC Research + Product Incubator
Tokens: RINGDIGITALFABRICATIONPACKAGECOMPLETE · RINGPHYSICALPROTOTYPEPENDING`
Freeze ACTIVE. Digital artifacts only — no physical ring claim. Generated: 2026-08-07T22:20:56Z
Main components on the Edge io ring
Edge io ring bill of materials (BOM)
8 components, 8 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | NRF52840-CKAA-R Nordic Semiconductor | U1 | U1 |
| 1 | BMI270 Bosch Sensortec | U2 | U2 |
| 1 | DRV2605LDGSR Texas Instruments | U3 | U3 |
| 1 | BQ25100YFPR Texas Instruments | U4 | U4 |
| 1 | — | A1 | A1 |
| 1 | — | J1 | J1 |
| 1 | — | J2 | J2 |
| 1 | — | BT1 | BT1 |
Edge io ring design files
The KiCad project lives in the gunnchOS3k/gunnchos-hardware-industrial-design repository on GitHub; these links point at the commit this page was built from.
Edge io ring: common questions
What microcontroller does the Edge io ring use?
The Edge io ring is built around the NRF52840-CKAA-R, from the Nordic nRF family.
How big is the Edge io ring PCB?
The Edge io ring measures 19 × 19 mm, has 2 copper layers and is 0.8 mm thick.
How many components are on the Edge io ring?
8 components, from 8 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Edge io ring design files?
From the gunnchOS3k/gunnchos-hardware-industrial-design repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Edge io ring design in my own project?
Yes, under the terms of its MIT license, which gunnchOS3k chose for the repository.
Can I test firmware for the Edge io ring without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Nordic nRF firmware against it before you order a PCB.
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