Xem Studiomeasured geometryLibrary › Electronics › Microcontroller boards · 2020 ·
Seeed Studio XIAO SAMD21
What are the Seeed Studio XIAO SAMD21 dimensions? · Modern device · basis: Seeed Studio wiki (board size); outline DXF on the same page
Also called: xiao samd21, xiao samd21 dimensions, xiao samd21 size, xiao dimensions, seeed xiao
Exact dimensions. True size, with no printing tolerance added.
- length
- 21.0 mm
- width
- 17.8 mm
Notes
- XIAO SAMD21: 21 × 17.8 mm, USB-C on one short edge, castellated pads on both long edges.
- Every XIAO shares this outline, so one enclosure or carrier fits all of them; check component height and antenna position per variant.
- Seeed publishes the outline as a DXF on the wiki page; thickness and pad positions are not given in text.
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Seeed Studio (official) | XIAO SAMD21 getting started (specifications) | web | Manufacturer documentation |
Xem scan
Not planned The manufacturer publishes CAD; the sheet is here so an assistant can answer without opening a PDF.
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Set it up →https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.Plain text: sheet.txt · JSON: /api/geometry?object=seeed-xiao-samd21
Questions
How big is the Seeed Studio XIAO SAMD21?
21.0 × 17.8 mm (0.83 × 0.70 in).