HardLabs

Mykeeb v7a3

maxhbr·zmk-stuff·mykeeb/rev7/mykeeb_v7a3/mykeeb_v7a3.kicad_pcb

Mykeeb v7a3 PCB layout, top view — open source Nordic nRF board by maxhbr

About the Mykeeb v7a3 PCB

Mykeeb v7a3 is an open source Nordic nRF PCB design by maxhbr, published on GitHub. It is a 2-layer board measuring 160.4 × 147.9 mm, with 57 components from 6 distinct parts.

Its main chip is the xiao-ble, from the Nordic nRF family. Other key parts include the 74HC595. By type, the board carries 19 diodes, 3 ICs and 1 battery holder.

It belongs with the keyboards and iot & wireless designs in this gallery.

Main components on the Mykeeb v7a3

xiao-ble74HC595

Mykeeb v7a3 bill of materials (BOM)

57 components, 6 distinct parts.

QtyPartRefs
1
xiao-ble
U1
2
74HC595
U2, U3
1
Battery_Cell
BT1
32
SW
SA0, SA1, SA2, SA3, SA4, SA5, SA6, SB0 +24
2
SW_SPDT
SW_bat1, SW_bat2
19
BAV70
D1, D2, D3, D4, D5, D6, D7, D8 +11

Mykeeb v7a3 design files

The KiCad project lives in the maxhbr/zmk-stuff repository on GitHub; these links point at the commit this page was built from.

Mykeeb v7a3: common questions

What microcontroller does the Mykeeb v7a3 use?

The Mykeeb v7a3 is built around the xiao-ble, from the Nordic nRF family.

How big is the Mykeeb v7a3 PCB?

The Mykeeb v7a3 measures 160.4 × 147.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mykeeb v7a3?

57 components, from 6 distinct parts. The full bill of materials is listed on this page.

Where can I download the Mykeeb v7a3 design files?

From the maxhbr/zmk-stuff repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Mykeeb v7a3 design in my own project?

The repository has no license, so all rights stay with maxhbr. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Mykeeb v7a3 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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