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Library › Electronics › Microcontroller boards · 2020 ·

Seeed Studio XIAO (all variants)

What are the Seeed XIAO board dimensions? · Modern device · basis: published spec and STEP

length
21 mm
width
17.5 mm

Notes

  • Thumb-sized; USB-C on one short edge; 7 castellated pads per long edge on 2.54 mm pitch.
  • All XIAO variants share the outline, so one enclosure fits every chip.

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 ESP32C3 wiki (dimensions, STEP download)STEP, PDFsee page verify

Xem scan

Not planned The manufacturer publishes CAD; the sheet is here so an assistant can answer without opening a PDF.

Plain text: sheet.txt · JSON: /api/geometry?object=seeed-xiao

length
Schematic, not to scale.

Fits with

length
Adafruit Feather (standard form factor)50.8×22.86 mm★ free
length
Arduino Nano (classic and Nano Every)45×18 mm★ free
opening
USB-C receptacle (16/24-pin, mid-mount)8.94×3.26 mm★ free

Questions

What are the Seeed Studio XIAO (all variants) dimensions in mm?

21 × 17.5 mm (length × width × height). Thumb-sized; USB-C on one short edge; 7 castellated pads per long edge on 2.54 mm pitch.

Where is the official CAD for the Seeed Studio XIAO (all variants)?

Seeed Studio (official): XIAO ESP32C3 wiki (dimensions, STEP download) (STEP, PDF, see page). Linked from the sheet; Xem Studio does not rehost it.