NodeMCU ESP8266 DevKit v1.0 — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/nodemcu-esp8266-devkit-v1-0/  (CC BY 4.0)
Basis: NodeMCU (official Gerber V4)
Catalog version: 2026-10-20

Overall (mm): length 25.4, width 48.26
- NodeMCU ESP8266 DevKit v1.0: 25.4 × 48.26 mm. The original open-hardware Amica board (1.00 × 1.90 in). The wider 'LoLin NodeMCU v3' clone is a different board.
- Mounting holes: 4 × Ø2.921 mm, 20.828 × 43.688 mm centres, 2.286 mm in from each edge. Hole centres are measured from the lower-left corner.
- The file is the outline with the holes; components and connectors are not modelled.

dimension  value
size  25.4 × 48.26 mm (board outline)
mounting holes  4 × Ø2.921 mm, 20.828 × 43.688 mm centres, 2.286 mm in from each edge

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- NodeMCU: NodeMCU ESP8266 DevKit v1.0 — web — Publisher's page; dimensions are facts — https://github.com/nodemcu/nodemcu-devkit-v1.0

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/nodemcu-esp8266-devkit-v1-0/index.json
API: https://xemstudio.com/api/geometry?object=nodemcu-esp8266-devkit-v1-0