An Arduino-controlled photogrammetry scanner automates the camera’s view of an object: a motorized turntable rotates it through repeatable positions, and a camera captures photographs for separate photogrammetry software to combine into a 3D model. Arduino coordinates motion and, in some builds, the camera trigger; it does not reconstruct the model.
How an Arduino photogrammetry scanner works
- Place the object on a turntable. The object must remain stable as the platform rotates.
- Move it between views. A controller drives a stepper motor and its driver to rotate the platform by set increments or according to another programmed pattern.
- Capture photographs. The camera may be triggered automatically, or capture may be handled through a phone workflow or manually. In a stop-and-shoot setup, the controller can pause after each movement so the object settles before exposure.
- Reconstruct the model separately. Photogrammetry software analyzes the photographs and combines them into a 3D model. The Arduino is not the image-processing system.
One documented Uno build turns the platform by 10 degrees per photo, pauses for settling, and triggers a Nikon D3200 with an infrared LED. That is a specific project configuration, not a universal capture recipe. Arduino Blog’s Uno scanner project describes that arrangement.
What the example builds show
There is no single standard design. The projects use different controllers, motors, capture approaches, and optional controls.
| Example | Documented approach | What to take from it |
|---|---|---|
| Arduino Uno scanner | Stepper-driven rotation in 10-degree increments, a pause for settling, and an infrared LED triggering a Nikon D3200. Arduino Blog | A stop-and-shoot workflow can coordinate repeatable positions with a camera trigger, but the cited infrared setup is camera-specific. |
| ESP32 turntable | A project with multiple rotation modes and camera-control options. Arduino Project Hub | Modes, buttons, displays, wireless control, or manual capture can be incorporated in project-specific ways; check the project documentation for its exact implementation. |
| Nano rig | A project configuration using two bipolar stepper motors. Instructables | More than one motor arrangement is possible, but motor count alone does not establish capacity or scan quality. |
| AAScan phone-based alternative | An Arduino Uno, ULN2003 driver board, 3D-printed turntable parts, and an Android phone workflow; the Arduino Blog reports approximately 180 images captured automatically for this project. Arduino Blog’s AAScan feature | The reported image count is specific to AAScan, not a universal requirement or evidence of a particular reconstruction quality. |
Choose the camera and capture method first
Camera control is a compatibility question, not an assumed feature of every Arduino rig. The documented infrared trigger is paired with a Nikon D3200; it should not be treated as a generic DSLR trigger. A broader rig overview describes capture with either a DSLR or smartphone, but the exact triggering method depends on the equipment and workflow. The photogrammetry rig overview provides that broader context.
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Before building around automatic capture, verify that the exact camera or phone can be triggered in the intended way. If compatible automation is unavailable, a turntable can still support a workflow where the operator captures images manually or uses a separate phone process. The ESP32 project illustrates that camera-control options vary by implementation; AAScan is a distinct Android-phone workflow.
Search phrasing such as “Best Way to Automate Sony ZV-E10 Capture with an Arduino-Controlled Turntable?” identifies a real compatibility question, but does not establish that any particular trigger works with that camera. Reader discussion phrasing is not a substitute for checking the camera’s supported remote-control options.
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Plan the hardware around the object and mechanics
A stepper motor and suitable driver are central to the cited turntable designs. Other parts may include an Arduino-compatible board, power supply, platform hardware, and camera-specific trigger. There is no universal bill of materials in the documented examples: match the motor, driver, board, power, and mechanical assembly to the chosen design.
- Object size and stability: choose a platform that can carry the object without wobbling enough to undermine repeatable views. The project pages demonstrate rotating platforms but do not provide controlled load-capacity or accuracy comparisons.
- Motor and driver: select components that suit the platform’s mechanical load and the controller design. A part used in one project is not automatically suitable for another.
- Rotation pattern: examples include fixed 10-degree increments, selectable step counts, and continuous rotation. A stationary pause before exposure is useful when the chosen camera and subject need it, but no one interval is established as best for every setup.
- Camera trigger: infrared, another remote mechanism, phone automation, and manual capture have different compatibility requirements. Confirm the method for the exact camera or phone.
- Image-processing workflow: identify the separate software process that will turn the photographs into a model. The project sources do not establish a universally best package or capture setting.
What this kind of scanner can—and cannot—promise
Repeatable rotation and coordinated photographs can reduce the manual work of repositioning an object between views. The available project descriptions do not establish a shared accuracy target, tested maximum object size, controlled comparison, or guaranteed model quality. Results depend on the specific mechanical build, camera and capture workflow, photographs, and reconstruction process; the cited pages do not quantify those factors across designs.
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These projects are useful as examples of possible architectures, not proof that every configuration is maintained, independently tested, or suitable for a particular object or camera. Check current component and software compatibility against the documentation for the exact parts and tools you plan to use.
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