2 layers90.2 × 99.1 mm
Control logic
codemonkey76/DIY-8-Bit-Computer
DIY 8-Bit Computer, based on the design by Ben Eater
94 parts
2 layers80 × 93.2 mm
DIY 8-Bit Computer, based on the design by Ben Eater
- Size
- 80 × 93.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 27
- Nets
- 32
- Pads
- 123
- Tracks, vias
- 668, 40
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 25 Aug 2019
- Updated
- 25 Aug 2019
Overview
Bus is an open-source printed circuit board by codemonkey76, from the codemonkey76/DIY-8-Bit-Computer repository on GitHub. It is a 2-layer board of 80 × 93.2 mm with 27 parts on 32 nets, routed with 668 tracks and 40 vias.
It belongs with the retro computing and games boards of this library.
README
README.mdDIY-8-Bit-Computer
Based off schematics and design of breadboard computer by Ben Eater, available in kit form at: https://eater.net/8bit/kits
Parts
27| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | MAR | Connector_JST:JST_PH_S4B-PH-K_1x04_P2.00mm_Horizontal | J18, J19 |
| 1 | A Register | Connector_JST:JST_PH_S8B-PH-K_1x08_P2.00mm_Horizontal | J13 |
| 1 | A Register | Connector_JST:JST_PH_S4B-PH-K_1x04_P2.00mm_Horizontal | J17 |
| 1 | Arithmetic Logic Unit | Connector_JST:JST_PH_S7B-PH-K_1x07_P2.00mm_Horizontal | J30 |
| 1 | Arithmetic Logic Unit | Connector_JST:JST_PH_S8B-PH-K_1x08_P2.00mm_Horizontal | J31 |
| 1 | B Register | Connector_JST:JST_PH_S4B-PH-K_1x04_P2.00mm_Horizontal | J25 |
| 1 | B Register | Connector_JST:JST_PH_S8B-PH-K_1x08_P2.00mm_Horizontal | J20 |
| 1 | Clock | Connector_JST:JST_PH_S3B-PH-K_1x03_P2.00mm_Horizontal | J1 |
| 1 | Control Logic Flags #1 | Connector_JST:JST_PH_S10B-PH-K_1x10_P2.00mm_Horizontal | J2 |
| 1 | Control Logic Flags #2 | Connector_JST:JST_PH_S11B-PH-K_1x11_P2.00mm_Horizontal | J9 |
| 1 | Instruction Register | Connector_JST:JST_PH_S8B-PH-K_1x08_P2.00mm_Horizontal | J8 |
| 1 | Instruction Register | Connector_JST:JST_PH_S4B-PH-K_1x04_P2.00mm_Horizontal | J12 |
| 1 | Memory | Connector_JST:JST_PH_S8B-PH-K_1x08_P2.00mm_Horizontal | J26 |
| 1 | Memory | Connector_JST:JST_PH_S4B-PH-K_1x04_P2.00mm_Horizontal | J29 |
| 1 | Output Register | Connector_JST:JST_PH_S3B-PH-K_1x03_P2.00mm_Horizontal | J5 |
| 1 | Output Register | Connector_JST:JST_PH_S8B-PH-K_1x08_P2.00mm_Horizontal | J3 |
| 1 | Program Counter | Connector_JST:JST_PH_S5B-PH-K_1x05_P2.00mm_Horizontal | J36 |
| 1 | Program Counter | Connector_JST:JST_PH_S4B-PH-K_1x04_P2.00mm_Horizontal | J32 |
The 19 most common of 27 parts.
Questions
How big is the Bus PCB?
It measures 80 × 93.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Bus use?
27 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 Bus KiCad files?
From the codemonkey76/DIY-8-Bit-Computer repository on GitHub, at the commit this page was made from: the board is Bus/Bus.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Bus design in my own project?
Its repository states no licence, so its author keeps all rights: ask codemonkey76 before reusing the design.
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