2 layers43.9 × 27.7 mm
2 layers30 × 65 mm
Open duck mini hat
blublear/open-duck-mini-hat11A HAT to simplify the wiring for the Open Duck Mini
- Size
- 30 × 65 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 19
- Nets
- 31
- Pads
- 83
- Tracks, vias
- 165, 65
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 11 Jul 2025
- Updated
- 24 Jun 2026
Overview
Open duck mini hat is an open-source printed circuit board by blublear, from the blublear/open-duck-mini-hat repository on GitHub, published under the MIT licence. It is a 2-layer board of 30 × 65 mm with 19 parts on 31 nets, routed with 165 tracks and 65 vias.
Its parts include 13 connectors and 1 switch.
README
README.mdPi Hat for the Open Duck Mini
The connectors are XH 2.54mm
Make sure the pin numbers in the schematic matches your setup.
Parts
19| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole | lib:MountingHole_2.7mm_M2.5_uHAT_RPi | H1, H2, H3, H4 |
| 1 | FLASHLIGHT | Connector_JST:JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J5 |
| 1 | I2C_0 | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J10 |
| 1 | I2C_1 | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J11 |
| 1 | LEFT ANTENNA | Connector_JST:JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J6 |
| 1 | LEFT EYE | Connector_JST:JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J3 |
| 1 | LEFT FOOT | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J8 |
| 1 | LOGO | Library:duck | G*** |
| 1 | PI_SW | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | SW1 |
| 1 | POWER | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J12 |
| 1 | RIGHT ANTENNA | Connector_JST:JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J7 |
| 1 | RIGHT EYE | Connector_JST:JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J4 |
| 1 | RIGHT FOOT | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J9 |
| 1 | Raspberry_Pi_2_3 | Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Vertical | J1 |
| 1 | Speaker | Connector_JST:JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | J2 |
| 1 | UART | Connector_JST:JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J13 |
Questions
How big is the Open duck mini hat PCB?
It measures 30 × 65 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Open duck mini hat use?
19 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 Open duck mini hat KiCad files?
From the blublear/open-duck-mini-hat repository on GitHub, at the commit this page was made from: the board is openduckminihat.kicad_pcb and its schematic openduckminihat.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Open duck mini hat design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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