2 layers27.9 × 16.5 mm
2 layers25 × 35 mm
GDGT Qwiic
Ccecil/GDGT_QwiicBreakout board for the Smoothieboard V2 that converts the Gadgeteer I2C lines to 4 Qwiic connectors.
- Size
- 25 × 35 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 18
- Nets
- 11
- Pads
- 51
- Tracks, vias
- 106, 22
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 15 Dec 2025
- Updated
- 15 Dec 2025
Overview
GDGT Qwiic is an open-source printed circuit board by Ccecil, from the Ccecil/GDGT_Qwiic repository on GitHub. It is a 2-layer board of 25 × 35 mm with 18 parts on 11 nets, routed with 106 tracks and 22 vias.
Its parts include 6 connectors, 1 resistor and 1 diode. It belongs with the interfaces and adapters and microcontroller boards boards of this library.
README
README.mdSimple breakout board for the Smoothieboard V2 which converts Gadgeteer I2C to the Qwiic standard.
Schematic here: GDGT_Qwiic.pdf
Parts
18| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | Conn_01x04_Pin | Connector_JST:JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J1, J2, J3, J4 |
| 4 | LOGO | SparkFun-Qwiic:qwiic_3mm | G***, G***, G***, G*** |
| 2 | Conn_02x05_Odd_Even | Connector_PinHeader_1.27mm:PinHeader_2x05_P1.27mm_Vertical_SMD | J5, J6 |
| 2 | LOGO | SparkFun-Qwiic:qwiic_5.5mm_Copper | G***, G*** |
| 2 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2 |
| 1 | 1k | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R1 |
| 1 | LED_Small_Filled | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | MountingHole | MountingHole:MountingHole_2.5mm | H3 |
The 17 most common of 18 parts.
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Questions
How big is the GDGT Qwiic PCB?
It measures 25 × 35 mm and has 2 copper layers, 1.6 mm thick.
What parts does the GDGT Qwiic use?
18 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 GDGT Qwiic KiCad files?
From the Ccecil/GDGT_Qwiic repository on GitHub, at the commit this page was made from: the board is GDGT_Qwiic.kicad_pcb and its schematic GDGT_Qwiic.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the GDGT Qwiic design in my own project?
Its repository states no licence, so its author keeps all rights: ask Ccecil before reusing the design.