

GR SNES Breakout
Breakout board to decode NES or SNES controller buttons as separate GPIO outputs from ATTiny26
- Size
- 45.7 × 51.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 26
- Nets
- 33
- Pads
- 85
- Tracks, vias
- 251, 33
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 15 Jun 2023
- Updated
- 15 Jun 2023
Overview
GR SNES Breakout is an open-source printed circuit board by GadgetReboot, from the GadgetReboot/S_NES_Controller_Breakout repository on GitHub. It is a 2-layer board of 45.7 × 51.7 mm with 26 parts on 33 nets, routed with 251 tracks and 33 vias.
It is built around the ATTINY26L-8PU. Its parts include 16 resistors, 4 capacitors, 4 connectors and 1 IC. It belongs with the retro computing and games and interfaces and adapters boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mdS_NES_Controller_Breakout
Breakout board to decode NES or SNES controller buttons as separate GPIO outputs from ATTiny26

Parts
26| Qty | Value | Footprint | References |
|---|---|---|---|
| 15 | 100r | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15 |
| 3 | 100nF | Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm | C1, C3, C4 |
| 1 | 10K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R16 |
| 1 | 10uF 16v | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C2 |
| 1 | ATtiny26L-8PU | Package_DIP:DIP-20_W7.62mm | U1 |
| 1 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J4 |
| 1 | Conn_01x05 | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J2 |
| 1 | Conn_01x12 | Connector_PinHeader_2.54mm:PinHeader_1x12_P2.54mm_Vertical | J1 |
| 1 | Conn_02x03_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J3 |
| 1 | LOGO | _Custom_Footprints:pcb way logo | G*** |
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Questions
How big is the GR SNES Breakout PCB?
It measures 45.7 × 51.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the GR SNES Breakout use?
26 parts, built around the ATTINY26L-8PU. 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 GR SNES Breakout KiCad files?
From the GadgetReboot/S_NES_Controller_Breakout repository on GitHub, at the commit this page was made from: the board is KiCad/GR_SNES_Breakout.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the GR SNES Breakout design in my own project?
Its repository states no licence, so its author keeps all rights: ask GadgetReboot before reusing the design.