{ "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": "adafruit-motor-shield-v2-1438", "name": "Adafruit Motor Shield V2 for Arduino (1438) — UNO shield outline, 3 × Ø3.2 holes and capacitor heights", "kind": "modern", "category": "Electronic components", "group": "Modules, sensors & displays", "year": null, "question": "What are the Adafruit Motor Shield V2 dimensions and mounting-hole positions?", "tags": [ "arduino motor shield", "motor driver shield", "arduino uno shield", "dc stepper motor shield", "shield mounting holes", "pca9685 tb6612 shield" ], "aliases": [ "adafruit motor shield v2", "adafruit 1438", "motor shield v2.3", "adafruit motor/stepper/servo shield", "adafruit motor shield dimensions", "arduino motor shield v2", "adafruit dc stepper shield" ], "overall_mm": { "length": 68.58, "width": 53.34, "height": 7 }, "official_cad": false, "xem_status": "free-files", "les": false, "free_files": 1, "url": "https://xemstudio.com/objects/adafruit-motor-shield-v2-1438/", "sheet_txt": "https://xemstudio.com/objects/adafruit-motor-shield-v2-1438/sheet.txt", "sheet": { "basis": "Adafruit's Eagle board file 'Adafruit Motor Shield v2.3.brd' (GitHub) and the Adafruit product 1438 page.", "overall_mm": { "length": 68.58, "width": 53.34, "height": 7 }, "notes": [ "Exact nominal dimensions. Arduino UNO shield outline 68.58 × 53.34 × 1.6 mm with the UNO's two 2.54 × 2.54 chamfers on the +X edge; datum is the board centre, bottom on z=0.", "Three mounting holes Ø3.2 at (−19.05, +24.13), (+31.75, +8.89) and (−20.32, −24.13), i.e. UNO holes (15.24, 50.80), (66.04, 35.56) and (13.97, 2.54) from the UNO's lower-left corner. The fourth UNO hole is not drilled.", "Tallest parts: three Ø5.0 electrolytic capacitors, top 7.0 mm above the board bottom, at (+14.10, −4.95), (−20.57, −11.30) and (−26.92, +15.37).", "Not modelled: Arduino stacking headers, 3.5 mm terminal blocks and servo headers (all ship loose), ICs and small parts." ], "table": { "columns": [ "hole", "x mm", "y mm", "diameter mm" ], "rows": [ [ "1", -19.05, 24.13, 3.2 ], [ "2", 31.75, 8.89, 3.2 ], [ "3", -20.32, -24.13, 3.2 ] ] } }, "sheet_text": "Adafruit Motor Shield V2 for Arduino (1438) — UNO shield outline, 3 × Ø3.2 holes and capacitor heights — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/adafruit-motor-shield-v2-1438/ (sheet CC BY 4.0)\nBasis: Adafruit's Eagle board file 'Adafruit Motor Shield v2.3.brd' (GitHub) and the Adafruit product 1438 page.\nCatalog version: 2026-10-20\n\nOverall (mm): length 68.58, width 53.34, height 7.0\n- Exact nominal dimensions. Arduino UNO shield outline 68.58 × 53.34 × 1.6 mm with the UNO's two 2.54 × 2.54 chamfers on the +X edge; datum is the board centre, bottom on z=0.\n- Three mounting holes Ø3.2 at (−19.05, +24.13), (+31.75, +8.89) and (−20.32, −24.13), i.e. UNO holes (15.24, 50.80), (66.04, 35.56) and (13.97, 2.54) from the UNO's lower-left corner. The fourth UNO hole is not drilled.\n- Tallest parts: three Ø5.0 electrolytic capacitors, top 7.0 mm above the board bottom, at (+14.10, −4.95), (−20.57, −11.30) and (−26.92, +15.37).\n- Not modelled: Arduino stacking headers, 3.5 mm terminal blocks and servo headers (all ship loose), ICs and small parts.\n\nhole x mm y mm diameter mm\n1 -19.05 24.13 3.2\n2 31.75 8.89 3.2\n3 -20.32 -24.13 3.2\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Adafruit: Adafruit Motor/Stepper/Servo Shield for Arduino v2 (1438) — web — Publisher's page; dimensions are facts — https://www.adafruit.com/product/1438\n- Adafruit (GitHub): Adafruit-Motor-Shield-V2-PCB (Eagle board files) — web — Publisher's page; dimensions are facts — https://github.com/adafruit/Adafruit-Motor-Shield-V2-PCB\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/adafruit-motor-shield-v2-1438/index.json\nAPI: https://xemstudio.com/api/geometry?object=adafruit-motor-shield-v2-1438\n", "sources": [ { "publisher": "Adafruit", "title": "Adafruit Motor/Stepper/Servo Shield for Arduino v2 (1438)", "url": "https://www.adafruit.com/product/1438", "formats": [ "web" ], "license": "Publisher's page; dimensions are facts", "license_verified": true, "hosted": false }, { "publisher": "Adafruit (GitHub)", "title": "Adafruit-Motor-Shield-V2-PCB (Eagle board files)", "url": "https://github.com/adafruit/Adafruit-Motor-Shield-V2-PCB", "formats": [ "web" ], "license": "Publisher's page; dimensions are facts", "license_verified": true, "hosted": false } ], "xem": { "status": "free-files", "sheet_free": true, "mesh_price_usd": null, "step_price_usd": null, "tolerance_mm": null }, "related": [ "arduino-uno-r3", "adafruit-metro-grand-central", "arduino-mega-2560", "terminal-blocks", "nema-17-stepper", "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": "mounting holes", "exact": "3 × Ø3.2 on the Arduino UNO hole positions; PCB 68.58 × 53.34 × 1.6", "mates": "M3 screws or standoffs, or the Arduino Uno below", "fit": "designed", "files": "all" }, { "feature": "Arduino headers", "exact": "UNO R3 shield header positions, 2.54 mm pitch", "mates": "Arduino Uno R3 female headers via stacking headers", "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 Adafruit Motor Shield V2?", "a": "68.58 × 53.34 mm (2.7 × 2.1 in), the Arduino UNO outline, 1.6 mm PCB; 7.0 mm tall at the capacitors without headers." }, { "q": "Which mounting holes does the shield have?", "a": "Three Ø3.2 holes on Arduino UNO positions (13.97, 2.54), (15.24, 50.80) and (66.04, 35.56); the hole at (66.04, 7.62) is not drilled." }, { "q": "Does it fit an Arduino Uno enclosure?", "a": "Yes: same outline and hole positions as the UNO; allow for the stacking headers and the terminal blocks above the board." } ], "files_license": null, "offers": [ { "file": "adafruit-motor-shield-v2-1438", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/adafruit-motor-shield-v2-1438/adafruit-motor-shield-v2-1438.step", "stl": "https://xemstudio.com/files/hardware/adafruit-motor-shield-v2-1438/adafruit-motor-shield-v2-1438.stl", "note": "Adafruit Motor Shield V2 for Arduino (1438) — UNO shield outline, 3 × Ø3.2 holes and capacitor heights" } ], "markdown": "https://xemstudio.com/objects/adafruit-motor-shield-v2-1438/index.md" }