2 layers124.5 × 98 mm
2 layers68.5 × 71.5 mm
8-bit input
mitchell-lng/8-bit-cpu- Size
- 68.5 × 71.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 26
- Nets
- 26
- Pads
- 66
- Tracks, vias
- 83, 0
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 12 Jan 2026
- Updated
- 12 Jan 2026
Overview
8-bit input is an open-source printed circuit board by mitchell-lng, from the mitchell-lng/8-bit-cpu repository on GitHub. It is a 2-layer board of 68.5 × 71.5 mm with 26 parts on 26 nets, routed with 83 tracks and 0 vias.
Its parts include 8 resistors, 8 diodes, 8 switches and 2 connectors. It belongs with the retro computing and games boards of this library.
Parts
26| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 100 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2, R3, R4, R5, R6, R7, R8 |
| 8 | LED | LED_THT:LED_D5.0mm | D1, D2, D3, D4, D5, D6, D7, D8 |
| 8 | SW_SPDT | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 |
| 1 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | Conn_01x08 | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical | J2 |
Questions
How big is the 8-bit input PCB?
It measures 68.5 × 71.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the 8-bit input use?
26 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the 8-bit input KiCad files?
From the mitchell-lng/8-bit-cpu repository on GitHub, at the commit this page was made from: the board is 8-bit-input/8-bit-input.kicad_pcb and its schematic 8-bit-input/8-bit-input.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the 8-bit input design in my own project?
Its repository states no licence, so its author keeps all rights: ask mitchell-lng before reusing the design.
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