SparkFun Motor Driver Dual TB6612FNG (ROB-14451): 20.32 mm square board and header-pin positions — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/sparkfun-tb6612fng-rob-14451/  (sheet CC BY 4.0)
Basis: SparkFun's Eagle board file for the Motor Driver - Dual TB6612FNG (v11), with the product page and hookup guide.
Catalog version: 2026-10-20

Overall (mm): length 20.32, width 20.32, height 1.6
- Board 20.32 × 20.32 (0.8 × 0.8 in), 1.6 thick, square corners, centred.
- No mounting holes: the board mounts by its two 1×8 header rows.
- Sixteen Ø1.12 header holes, two rows of eight at 2.54 pitch, rows 15.24 apart (x = ±7.62 from centre, y = ±1.27 … ±8.89).
- Modelled: board outline and header holes. Not modelled: the low TB6612FNG IC on top. ROB-14450 is the same board with male headers soldered on.
- All dimensions are exact nominal millimetres, true size, with no tolerance added.

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- SparkFun: Motor Driver - Dual TB6612FNG (1A), ROB-14451 — web — Publisher's page; dimensions are facts — https://www.sparkfun.com/products/14451
- SparkFun: Motor_Driver-Dual_TB6612FNG hardware repository — web — Publisher's page; dimensions are facts — https://github.com/sparkfun/Motor_Driver-Dual_TB6612FNG
- SparkFun Learn: TB6612FNG Hookup Guide — web — Publisher's page; dimensions are facts — https://learn.sparkfun.com/tutorials/tb6612fng-hookup-guide

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/sparkfun-tb6612fng-rob-14451/index.json
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