

Microbit eink feather adaptor
This is a simple FeatherWing to micro:bit adaptor board designed specifically for the Adafruit 2.9" Grayscale eInk / ePaper Display FeatherWing: https://www.adafruit.com/product/4777
- Size
- 78.7 × 56.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 9
- Nets
- 91
- Pads
- 116
- Tracks, vias
- 87, 0
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 5 Jun 2022
- Updated
- 13 Jul 2023
Overview
Microbit eink feather adaptor is an open-source printed circuit board by carlosperate, from the carlosperate/microbit-eink-feather repository on GitHub. It is a 2-layer board of 78.7 × 56.5 mm with 9 parts on 91 nets, routed with 87 tracks and 0 vias.
It belongs with the lEDs and displays and microcontroller boards boards of this library.
README
README.mdmicro:bit eInk Feather Adaptor

This is a simple FeatherWing to micro:bit adaptor board designed specifically for the Adafruit 2.9" Grayscale eInk / ePaper Display FeatherWing: https://www.adafruit.com/product/4777
Repository Contents
- datasheets: Datasheets for the components used in this adaptor board
- docs: Documentation related to this adaptor board
- firmware: Arduino Skectch to test the eInk FeatherWing with a micro:bit
- hardware: The KiCad project files
- output: Project output files, like the BOM, schematic PDFs, etc.
- interactive_bom: BOM output from the Interactive HTML BOM KiCad plugin.
- pdf: Schematic PDFs.
- production: Gerber and drill files.
Documentation
- Pinout connections for the adaptor board: docs/pins.md
- eInk FeatherWing product page
- Adafruit documentation for the eInk FeatherWing
- Documentation for the family of Adafruit 2.9" eInk Display Breakouts and FeatherWings
- Project Changelog: CHANGELOG.md
License & Attributions
The Arduino test sketch is based on the Adafruit EDP ThinkInk_gray4 example, with MIT License.
The micro:bit edge connector is MIT Licensed and comes from: https://github.com/anthonykirby/kicad_microbit_connector
This project has been based on this FeatherWing template: https://github.com/ppelleti/FeatherWing-template-KiCad
The FeatherWing template and the rest of the repository (except where stated otherwise) is licensed under the same terms as the KiCad libraries, which is the CC-BY-SA 4.0 license, with an exception that says that electronic designs based on this repository are not bound by the attribution and share-alike conditions.
Parts
9| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | Butterfly Hole | project_library:butterfly_hole | H1 |
| 1 | G*** | kibuzzard-62B89D05 | kibuzzard-62B89D05 |
| 1 | G*** | kibuzzard-62B8B88C | kibuzzard-62B8B88C |
| 1 | N/C (battery holder) | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J4 |
| 1 | feather long | Connector_PinHeader_2.54mm:PinHeader_1x16_P2.54mm_Vertical | J1 |
| 1 | feather short | Connector_PinHeader_2.54mm:PinHeader_1x12_P2.54mm_Vertical | J2 |
| 1 | microbit_edge_connector | Connector_PCBEdge:4UCON_10156_2x40_P1.27mm_Socket_Horizontal | J3 |
The 7 most common of 9 parts.
Questions
How big is the Microbit eink feather adaptor PCB?
It measures 78.7 × 56.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Microbit eink feather adaptor use?
9 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 Microbit eink feather adaptor KiCad files?
From the carlosperate/microbit-eink-feather repository on GitHub, at the commit this page was made from: the board is hardware/microbit_eink_feather_adaptor.kicad_pcb and its schematic hardware/microbit_eink_feather_adaptor.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Microbit eink feather adaptor design in my own project?
Its repository states no licence, so its author keeps all rights: ask carlosperate before reusing the design.
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