C64ExpansionBreakout
hackup·C64ExpansionBreakout
About the C64ExpansionBreakout PCB
C64ExpansionBreakout is an open source PCB design by hackup, published on GitHub. It is a 2-layer board measuring 99.1 × 82.4 mm, with 10 components from 10 distinct parts.
Other key parts include the C64-Exp-Port and 27C512. By type, the board carries 5 connectors, 2 ICs, 1 jumper, 1 switch and 1 capacitor.
It belongs with the retro computing and dev boards & breakouts designs in this gallery.
From the project
Breakout Board for the Expansion Port of the C64
This is an adapter board for the expansion port of the Commodore 64. It connects the expansion port to a standard 830 pin prototyping breadboard to assist with the development of modules or cartridges. USE AT YOUR OWN RISK!
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

Main components on the C64ExpansionBreakout
C64ExpansionBreakout bill of materials (BOM)
10 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C64-Exp-Port | C64-Cart-NoSilkS | U1 |
| 1 | 27C512 | DIP-32_W15.24mm_Socket_LongPads | U2 |
| 1 | Power | Pin_Header_Straight_2x02_Pitch2.54mm | J1 |
| 1 | GND | Pin_Header_Straight_1x02_Pitch2.54mm | J2 |
| 1 | Breakout | Pin_Header_Straight_1x38_Pitch2.54mm | J3 |
| 1 | Other | Socket_Strip_Straight_1x06_Pitch2.54mm | J4 |
| 1 | Config | Pin_Header_Straight_2x02_Pitch2.54mm | J5 |
| 1 | 27c512 | Pin_Header_Straight_1x02_Pitch2.54mm | JP1 |
| 1 | Reset | SW_PUSH_6mm | SW1 |
| 1 | 100n | C_Disc_D4.3mm_W1.9mm_P5.00mm | C1 |
C64ExpansionBreakout design files
The KiCad project lives in the hackup/C64ExpansionBreakout repository on GitHub; these links point at the commit this page was built from.
C64ExpansionBreakout: common questions
How big is the C64ExpansionBreakout PCB?
The C64ExpansionBreakout measures 99.1 × 82.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the C64ExpansionBreakout?
10 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the C64ExpansionBreakout design files?
From the hackup/C64ExpansionBreakout repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the C64ExpansionBreakout design in my own project?
The repository has no license, so all rights stay with hackup. Use it as a reference, and ask the author before reusing the design.
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