Cinco cinco
mikeysklar·cinco-cinco·cinco-cinco/cinco-cinco.kicad_pcb
About the Cinco cinco PCB
Cinco cinco is an open source PCB design by mikeysklar, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 98.1 × 68.1 mm, with 11 components from 4 distinct parts.
Other key parts include the MCP23008-xSS. By type, the board carries 5 switches, 4 resistors, 1 IC and 1 connector.
It belongs with the keyboards and iot & wireless designs in this gallery.
From the project
Chording 5 key with 5 layers - full USB keyboard emulation
Cinco-Cinco is a low-profile chording keyboard that uses just five keys to emulate a full keyboard by combining keypresses into chords and utilizing seven layers.
I’ve spent the last year building pocket keyboards. My BUBBY is a daily carry which I use for todo lists. It made me enjoy typing with one hand to the point that I wanted a desktop version, which is what you see here.

Main components on the Cinco cinco
Cinco cinco bill of materials (BOM)
11 components, 4 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCP23008-xSS | SSOP-20_5.3x7.2mm_P0.65mm | U1 |
| 1 | Conn_01x04_Socket | JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J1 |
| 5 | SW_Push | Kailh_socket_PG1350 | SW1, SW2, SW3, SW4, SW5 |
| 4 | 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3, R4 |
Cinco cinco design files
The KiCad project lives in the mikeysklar/cinco-cinco repository on GitHub; these links point at the commit this page was built from.
Cinco cinco: common questions
How big is the Cinco cinco PCB?
The Cinco cinco measures 98.1 × 68.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Cinco cinco?
11 components, from 4 distinct parts. The full bill of materials is listed on this page.
Where can I download the Cinco cinco design files?
From the mikeysklar/cinco-cinco repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Cinco cinco design in my own project?
Yes, under the terms of its GPL-3.0 license, which mikeysklar chose for the repository.
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