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2 layers26.5 × 25 mmUsbgbserial, the printed circuit board in 3D

A Game Boy Serial Link Cable to USB adapter

Size
26.5 × 25 mm
Copper layers
2
Thickness
1.6 mm
Parts
13
Nets
32
Pads
71
Tracks, vias
182, 23
Pours
2
Routed
Yes
KiCad
KiCad 4
Created
3 Apr 2017
Updated
18 Oct 2026

Overview

Usbgbserial is an open-source printed circuit board by karstx, from the karstx/usbgbserial repository on GitHub. It is a 2-layer board of 26.5 × 25 mm with 13 parts on 32 nets, routed with 182 tracks and 23 vias.

It is built around the ATMEGA32U2-AU. Its parts include 4 capacitors, 3 resistors, 3 connectors, 1 IC and 1 crystal. It belongs with the interfaces and adapters boards and the AVR (ATmega, ATtiny) boards of this library.

Main components

1

README

README.md

usbgbserial

⚠️ This project is very much work in progress. Most things are either not done or don't fully work. ⚠️

usbgbserial

A USB to Game Link Cable interface.

Parts

13
QtyValueFootprintReferences
222Resistors_SMD:R_0603_HandSolderingR2, R3
222pFCapacitors_SMD:C_0603_HandSolderingC1, C2
1100nFCapacitors_SMD:C_0603_HandSolderingC4
110KResistors_SMD:R_0603_HandSolderingR1
116MhzCrystals:Crystal_SMD_0603-2pin_6.0x3.5mm_HandSolderingY1
11uFCapacitors_SMD:C_0603_HandSolderingC3
1ATMEGA32U2Housings_QFP:TQFP-32_7x7mm_Pitch0.8mmIC1
1AVR_ISPPin_Headers:Pin_Header_Straight_2x03_Pitch2.54mm_SMDP1
1GB_SERIALgb-serial-connector:gb-serialP2
1USB_OTGConnect:USB_Micro-BP3

The 12 most common of 13 parts.

Questions

How big is the Usbgbserial PCB?

It measures 26.5 × 25 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Usbgbserial use?

13 parts, built around the ATMEGA32U2-AU. 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 Usbgbserial KiCad files?

From the karstx/usbgbserial repository on GitHub, at the commit this page was made from: the board is cad/usbgbserial.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Usbgbserial design in my own project?

Its repository states no licence, so its author keeps all rights: ask karstx before reusing the design.

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