{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "sparkfun-tb6612fng-rob-14451",
 "name": "SparkFun Motor Driver Dual TB6612FNG (ROB-14451): 20.32 mm square board and header-pin positions",
 "kind": "modern",
 "category": "Electronic components",
 "group": "Modules, sensors & displays",
 "year": null,
 "question": "What are the SparkFun TB6612FNG motor driver (ROB-14451) dimensions and header-pin positions?",
 "tags": [
  "tb6612fng",
  "sparkfun tb6612fng dimensions",
  "dual motor driver breakout",
  "rob-14451",
  "motor driver header spacing"
 ],
 "aliases": [
  "SparkFun TB6612FNG",
  "tb6612fng",
  "ROB-14451",
  "ROB-14450",
  "SparkFun Motor Driver Dual TB6612FNG 1A",
  "sparkfun tb6612fng dual motor driver module rob-14451",
  "TB6612FNG breakout size"
 ],
 "overall_mm": {
  "length": 20.32,
  "width": 20.32,
  "height": 1.6
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/sparkfun-tb6612fng-rob-14451/",
 "sheet_txt": "https://xemstudio.com/objects/sparkfun-tb6612fng-rob-14451/sheet.txt",
 "sheet": {
  "basis": "SparkFun's Eagle board file for the Motor Driver - Dual TB6612FNG (v11), with the product page and hookup guide.",
  "overall_mm": {
   "length": 20.32,
   "width": 20.32,
   "height": 1.6
  },
  "notes": [
   "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."
  ]
 },
 "sheet_text": "SparkFun Motor Driver Dual TB6612FNG (ROB-14451): 20.32 mm square board and header-pin positions — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/sparkfun-tb6612fng-rob-14451/  (sheet CC BY 4.0)\nBasis: SparkFun's Eagle board file for the Motor Driver - Dual TB6612FNG (v11), with the product page and hookup guide.\nCatalog version: 2026-10-20\n\nOverall (mm): length 20.32, width 20.32, height 1.6\n- Board 20.32 × 20.32 (0.8 × 0.8 in), 1.6 thick, square corners, centred.\n- No mounting holes: the board mounts by its two 1×8 header rows.\n- 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).\n- 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.\n- All dimensions are exact nominal millimetres, true size, with no tolerance added.\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- SparkFun: Motor Driver - Dual TB6612FNG (1A), ROB-14451 — web — Publisher's page; dimensions are facts — https://www.sparkfun.com/products/14451\n- SparkFun: Motor_Driver-Dual_TB6612FNG hardware repository — web — Publisher's page; dimensions are facts — https://github.com/sparkfun/Motor_Driver-Dual_TB6612FNG\n- SparkFun Learn: TB6612FNG Hookup Guide — web — Publisher's page; dimensions are facts — https://learn.sparkfun.com/tutorials/tb6612fng-hookup-guide\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/sparkfun-tb6612fng-rob-14451/index.json\nAPI: https://xemstudio.com/api/geometry?object=sparkfun-tb6612fng-rob-14451\n",
 "sources": [
  {
   "publisher": "SparkFun",
   "title": "Motor Driver - Dual TB6612FNG (1A), ROB-14451",
   "url": "https://www.sparkfun.com/products/14451",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "SparkFun",
   "title": "Motor_Driver-Dual_TB6612FNG hardware repository",
   "url": "https://github.com/sparkfun/Motor_Driver-Dual_TB6612FNG",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "SparkFun Learn",
   "title": "TB6612FNG Hookup Guide",
   "url": "https://learn.sparkfun.com/tutorials/tb6612fng-hookup-guide",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
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  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
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 "related": [
  "pin-headers-2.54mm",
  "pololu-a4988-stepper-driver-carrier",
  "pololu-drv8825-stepper-driver-carrier",
  "775-dc-motor",
  "adafruit-motors-servos-drivers"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no tolerance added)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no tolerance added. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn. Typical accuracy by process and ISO 286 fits: https://xemstudio.com/tolerances/",
 "mating": [
  {
   "feature": "Header rows",
   "exact": "2 × 8 holes, 2.54 pitch, rows 15.24 apart",
   "mates": "2.54 mm pin headers into a breadboard or female sockets",
   "fit": "designed",
   "files": "all"
  }
 ],
 "fit_classes": {
  "press": "stays put: pin, tube, bearing or magnet held by interference. ISO 286 equivalent: H7/p6 (locational interference) or tighter.",
  "slide": "assembles by hand and is held by a grub, pinch or clamp: shaft in a hub, rod in a socket, spigot in a bore. ISO 286 equivalent: H7/g6 or H7/h6.",
  "run": "turns or slides in use: pin in a link, rod through a guide. ISO 286 equivalent: H8/f7 (close running).",
  "socket": "large sliding fit: syringe barrel, sleeve, bobbin in a bore. ISO 286 equivalent: H9/d9 (free running) or looser.",
  "clamp": "split part that closes on the mating part with screws: make it at size.",
  "designed": "a gap that is part of the design (piston fit option, displacer gap, air gap): do not change."
 },
 "faq": [
  {
   "q": "How big is the SparkFun TB6612FNG board?",
   "a": "20.32 × 20.32 mm (0.8 × 0.8 in), 1.6 mm thick."
  },
  {
   "q": "Does the SparkFun TB6612FNG have mounting holes?",
   "a": "No. It mounts by two 1×8 rows of 2.54 mm pitch header pins, 15.24 mm apart."
  }
 ],
 "files_license": null,
 "offers": [
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   "file": "sparkfun-tb6612fng-rob-14451",
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   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sparkfun-tb6612fng-rob-14451/sparkfun-tb6612fng-rob-14451.step",
   "stl": "https://xemstudio.com/files/hardware/sparkfun-tb6612fng-rob-14451/sparkfun-tb6612fng-rob-14451.stl",
   "note": "SparkFun Motor Driver Dual TB6612FNG (ROB-14451): 20.32 mm square board and header-pin positions"
  }
 ],
 "markdown": "https://xemstudio.com/objects/sparkfun-tb6612fng-rob-14451/index.md"
}