HardLabs

AsymRightExpandedNumpad

esouthren·asym·AsymRight/AsymRightExpandedNumpad.kicad_pcb

AsymRightExpandedNumpad PCB layout, top view — open source AVR/Arduino board by esouthren

About the AsymRightExpandedNumpad PCB

AsymRightExpandedNumpad is an open source AVR/Arduino PCB design by esouthren, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 250 × 126.1 mm, with 117 components from 10 distinct parts.

Its main chip is the ProMicro, from the AVR/Arduino family. By type, the board carries 55 relays, 55 diodes, 2 resistors and 1 IC.

It belongs with the keyboards designs in this gallery.

From the project

Asym Split Keyboard

Main components on the AsymRightExpandedNumpad

ProMicro

AsymRightExpandedNumpad bill of materials (BOM)

117 components, 10 distinct parts.

QtyPartRefs
1
ProMicro
U1
1
VAL**
HOLE_M3
51
KEYSW
K0, K1, K2, K3, K4, K5, K6, K7 +43
3
KEYSW
K11, K44, K45
1
KEYSW
K46
1
Conn_01x03
RGB_STRIP1
1
SW_PUSH
RST_SW1
1
Audio-Jack-4
TRRS1
55
D
D0, D1, D2, D3, D4, D5, D6, D7 +47
2
4.7k
R1, R2

AsymRightExpandedNumpad design files

The KiCad project lives in the esouthren/asym repository on GitHub; these links point at the commit this page was built from.

AsymRightExpandedNumpad: common questions

What microcontroller does the AsymRightExpandedNumpad use?

The AsymRightExpandedNumpad is built around the ProMicro, from the AVR/Arduino family.

How big is the AsymRightExpandedNumpad PCB?

The AsymRightExpandedNumpad measures 250 × 126.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the AsymRightExpandedNumpad?

117 components, from 10 distinct parts. The full bill of materials is listed on this page.

Where can I download the AsymRightExpandedNumpad design files?

From the esouthren/asym repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the AsymRightExpandedNumpad design in my own project?

Yes, under the terms of its GPL-3.0 license, which esouthren chose for the repository.

Can I test firmware for the AsymRightExpandedNumpad without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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