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Finalized 20 button keypad

Haxerflaxer·PCB-Kailh·Schematic2/Finalized_20_button_keypad.kicad_pcb

Finalized 20 button keypad PCB layout, top view — open source board by Haxerflaxer

About the Finalized 20 button keypad PCB

Finalized 20 button keypad is an open source PCB design by Haxerflaxer, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 100 × 119 mm, with 52 components from 7 distinct parts.

Other key parts include the Kailhlowprofile. By type, the board carries 20 ICs, 20 diodes, 3 switches and 1 resistor.

It belongs with the keyboards designs in this gallery.

From the project

PCB

Main components on the Finalized 20 button keypad

Kailhlowprofile

Finalized 20 button keypad bill of materials (BOM)

52 components, 7 distinct parts.

QtyPartRefs
20
Kailhlowprofile
U1, U2, U3, U4, U5, U6, U7, U8 +12
1
ProMicro
Ard1
7
1N4448WS
DI1, DI2, DI3, DI4, DI5, DI6, DI7
2
Slider_ALPS
S1, S2
1
Rotary_Encoder_Switch
SW1
20
1N4148WS
D1, D2, D3, D4, D5, D6, D7, D8 +12
1
R
R1

Finalized 20 button keypad design files

The KiCad project lives in the Haxerflaxer/PCB-Kailh repository on GitHub; these links point at the commit this page was built from.

Finalized 20 button keypad: common questions

How big is the Finalized 20 button keypad PCB?

The Finalized 20 button keypad measures 100 × 119 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Finalized 20 button keypad?

52 components, from 7 distinct parts. The full bill of materials is listed on this page.

Where can I download the Finalized 20 button keypad design files?

From the Haxerflaxer/PCB-Kailh repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Finalized 20 button keypad design in my own project?

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

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