ProtoStax Enclosure for Arduino
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This Arduino Uno & Mega case is stackable, modular, extensible and hackable!
It fits both Uno/Leonardo AND Mega footprints, and can accommodate any boards that have an Arduino footprint like SparkFun RedBoard, BlackBoard Artemis, etc. (see list of compatible devices below)
The case has an internal clearance of over 1.2 inches, which gives you ample room to install a shield (or two) of your choice!
Extension kits and add-ons are available to add functionality to your enclosure - add , switches, ultrasonic sensor, DB9/RS232 port, micro-servo and more! Check out our extension kits and add-ons!
Features
- Fits both Uno/Leonardo AND Mega footprints!
- Internal clearance of over 1.2 inches, which gives you ample room for a shield (or even two!)
- Made from high quality cast acrylic
- Clear acrylic provides a beautiful finish with a modern visual design with full view of your electronics
- Pre-drilled and threaded mounting holes in the base plate allow you to directly screw the board in without needing additional nuts, making it very easy and elegant for you to use. A thoughtful feature that you will surely appreciate if you have larger hands and dealing with tiny M2.5 nuts!
- Acrylic risers raise your board off the base plate for improved airflow and firm level mounting
- Metal standoffs and screws provide solid and durable support
- Rubber Feet protect your table surface while providing maximum airflow by elevating the enclosure
- Cutouts leave USB and power ports accessible
- Cable Management: Easily accessible cable management cutouts in the side walls allow you to smoothly insert your cables and access wiring to external systems. In the Open Configuration, the Wall slots on the top and bottom plates (where the side walls usually insert into) can also be used for cable management for even more accessibility and organization.
- You can mix, match, customize, and expand your project enclosure because ProtoStax enclosures are modular and stackable and work with each other.
- Extension kits and add-ons add functionality to your enclosure.
List of Compatible Devices
Technical Details
- 4.84 in length x 3.24 in width x 1.4665 in height (1.8 in height including rubber feet) (122.94 mm x 82.3mm x 37.25 mm (45.72mm including rubber feet))
- Usable space inside: 4 in length x 2.4 in width x 1.2165 in height (101.6mm x 60.96mm x 30.9mm)
Visualize in your space using AR!

















Visit Our Learning Hub
• Assembly Instructions - Video Tutorials & User Manual with step-by-step instructions.
• Sample Projects - with full instructions & code. Find inspiration for your next project.
• Tips and Tricks - Tips & tidbits on Electronics and Making to get you on your way!
Featured projects
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Multi-Track Music Player
Playback two musical scores simultaneously while showing synchronized lyrics
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Touchless Musical Hand Wash Timer
Touchless hand wash timer that shows a countdown clock & also plays a rotating selection of 20-second jingles. Add your own jingle easily!
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RGB Matrix Audio Visualizer with Arduino
Make beautiful music with Adafruit, SparkFun, Arduino and ProtoStax! Create an RGB matrix audio visualizer with Arduino.
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Multi-Octave Portable Capacitive Touch Piano
Extending the "Portable Capacitive Touch Piano" to span multiple octaves using two push buttons! This portable piano packs quite a punch!
ProtoStax Enclosures are Stackable, Modular & Extensible
They ease your path from Prototype to Product! Make your prototypes useable and attractive with ProtoStax!
Modular
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Use it as a prototyping plate, with full and open access to your device while prototyping. Rubber feet protect your board and your table top!
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Omit the side walls and just add the top for an open configuration with more airflow and open access.
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Add side walls and the top to form a fully enclosed case for maximum protection.
The cases offer connectivity to external systems using our unique cable management methods (see features above)
Extensible
Extension kits and Add-Ons allow you to add functionality to your enclosure. Add a fan or two, switches, camera & tripod mount, and more!
Just filter by "extension kit" or "add-on" in the main shopping page to view the choices, or click below!
Stackable
All ProtoStax cases are compatible with each other and can be stacked side-by-side (horizontally) or one on top of the other (vertically). Mix-and-match multiple ProtoStax cases and put together a larger enclosure from the individual ones! Our Raspberry Pi + Breadboard, or Raspberry Pi + Arduino enclosures are popular bundles. You can also mix-and-match various Raspberry Pi enclosures (A+, B/B+, Zero enclosures to build your hybrid cluster with whatever Pis you have lying around!)