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Keyboard

TM90·Keyboard·electronics/keyboard.kicad_pcb

Keyboard PCB layout, top view — open source board by TM90

About the Keyboard PCB

Keyboard is an open source PCB design by TM90, published on GitHub. It is a 2-layer board measuring 305 × 144.2 mm, with 172 components from 12 distinct parts.

By type, the board carries 85 diodes, 84 switches, 1 connector, 1 test point and 1 resistor.

It belongs with the keyboards designs in this gallery.

From the project

Have as much as possible open source? Also the tools used to build the keyboard

Have as much as possible open source? Also the tools used to build the keyboard

Prototype for Switches without big PCB and description how to build a small keyboard:

Fullsize Keyboard matrix example with atmega32u4:

Keyboard bill of materials (BOM)

172 components, 12 distinct parts.

QtyPartRefs
1
CONN_02X10
J1
1
SW_Push
SW1
2
SW_Push
SW3, SW4
1
SW_Push
SW5
2
SW_Push
SW6, SW7
2
SW_Push
SW8, SW9
3
SW_Push
SW10, SW11, SW12
73
SW_Push
SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20 +65
1
TestPoint
TP1
84
D
D1, D3, D4, D5, D6, D7, D8, D9 +76
1
LED
D2
1
10k
R1

Keyboard design files

The KiCad project lives in the TM90/Keyboard repository on GitHub; these links point at the commit this page was built from.

Keyboard: common questions

How big is the Keyboard PCB?

The Keyboard measures 305 × 144.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Keyboard?

172 components, from 12 distinct parts. The full bill of materials is listed on this page.

Where can I download the Keyboard design files?

From the TM90/Keyboard repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Keyboard design in my own project?

The repository has no license, so all rights stay with TM90. Use it as a reference, and ask the author before reusing the design.

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