2 layers53.2 × 36.6 mm
4 layers47.4 × 36.6 mm
Hexpansion
MatthewWilkes/eepromagon- Size
- 47.4 × 36.6 mm
- Copper layers
- 4
- Thickness
- 1 mm
- Parts
- 17
- Nets
- 15
- Pads
- 132
- Tracks, vias
- 367, 30
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 22 Jun 2026
- Updated
- 22 Jun 2026
Overview
Hexpansion is an open-source printed circuit board by MatthewWilkes, from the MatthewWilkes/eepromagon repository on GitHub. It is a 4-layer board of 47.4 × 36.6 mm with 17 parts on 15 nets, routed with 367 tracks and 30 vias.
It is built around the ZD24C256A-XGMT. Its parts include 9 ICs, 2 resistors and 2 connectors.
Main components
1Parts
17| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | ZD24C256A-XGMT | easyeda2kicad:TSSOP-8_L4.4-W3.0-P0.65-LS6.4-BL | U1, U2, U3, U4, U5, U6, U7, U8 |
| 2 | 4k7 | Resistor_SMD:R_0603_1608Metric | R2, R3 |
| 2 | MountingHole_Pad | MountingHole:MountingHole_2.2mm_M2_Pad_Via | H1, H2 |
| 1 | Conn_02x10_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x10_P2.54mm_Vertical | J2 |
| 1 | Hexpansion-Connector | tildagon:hexpansion-edge-connector | J1 |
| 1 | LOGO | LOGO | G*** |
| 1 | SolderJumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP1 |
| 1 | XL-0807RGBC-WS2812B-S | easyeda2kicad:LED-SMD_4P-L2.0-W1.8_XL-0807RGBC-WS2812B-S | U9 |
Questions
How big is the Hexpansion PCB?
It measures 47.4 × 36.6 mm and has 4 copper layers, 1 mm thick.
What parts does the Hexpansion use?
17 parts, built around the ZD24C256A-XGMT. 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 Hexpansion KiCad files?
From the MatthewWilkes/eepromagon repository on GitHub, at the commit this page was made from: the board is hexpansion.kicad_pcb and its schematic hexpansion.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Hexpansion design in my own project?
Its repository states no licence, so its author keeps all rights: ask MatthewWilkes before reusing the design.
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