PISIC
About the PISIC PCB
PISIC is an open source PCB design by yuburoll, published on GitHub under the MIT license. It is a 2-layer board measuring 102 × 82.7 mm, with 53 components from 8 distinct parts.
Other key parts include the ProMicro_r. By type, the board carries 24 switches, 22 diodes, 4 inductors, 2 connectors and 1 IC.
It belongs with the keyboards and displays & leds designs in this gallery.
From the project
42-44key row staggered split keyboard with GRIN inspired layout under 102mm pcb
The name PISIC means grin in korean, also is korean pun of grin layout of ansic.
- 2x PISIC PCB Boards, provided from the repo
- 1x printed case sets, 2 parts total, provided from the repo
- 2x 1.5-1.6T keyboard plates, provided from the repo
- 2x 1.5-1.6T back plates, provided from the repo
- 46x Kailh hotswap sockets (or compatibles)
- 2x 4x4x1.5mm surface mount tact switches (if needed)
Main components on the PISIC
PISIC bill of materials (BOM)
53 components, 8 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ProMicro_r | ProMicro_ReveribleThru_ComponentUp_OuterPad | U1 |
| 1 | AudioJack4 | TRRS-PJ-320A-ReversiblePad | J1 |
| 1 | Conn_01x02_Socket | Molex_PicoBlade_53048-0210_1x02_P1.25mm_Horizontal_ReversibleThru | J2 |
| 22 | SW_Push | MX_Hotswap_FootprintPropertyFix_Guided | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +14 |
| 1 | SW_SPDT | SW_SPDT_MSK12C02_Reversible | SW23 |
| 1 | SW_Push | SW_SPST_TL3342 | SW24 |
| 22 | D | Diode_TH_SMD_REVERSIBLE | D1, D2, D3, D4, D5, D6, D7, D8 +14 |
| 4 | SK6812MINI | LED_SK6812MINI_PLCC4_3.5x3.5mm_P1.75mm | L1, L2, L3, L4 |
PISIC design files
The KiCad project lives in the yuburoll/PISIC repository on GitHub; these links point at the commit this page was built from.
- Layoutkicad/pisic.kicad_pcb
- Schematickicad/pisic.kicad_sch
PISIC: common questions
How big is the PISIC PCB?
The PISIC measures 102 × 82.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the PISIC?
53 components, from 8 distinct parts. The full bill of materials is listed on this page.
Where can I download the PISIC design files?
From the yuburoll/PISIC repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the PISIC design in my own project?
Yes, under the terms of its MIT license, which yuburoll chose for the repository.
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