A Raspberry Pi Pip-Boy-style wearable combines a compact computer, a small display, portable power, physical controls and a custom enclosure worn on the forearm. The most reliable way to build one is to choose a compatible board-and-display setup first, test the electronics and interface outside the case, then shape the enclosure around your arm and components. Existing projects show both scrap-built and 3D-printed approaches, but their parts are not automatically interchangeable.
Choose the kind of Pip-Boy you want to build
Decide whether the device is primarily a costume prop, a wearable interface you can navigate, or a small computer for a particular task. That choice affects screen size, controls, power, software and how much room the enclosure needs. Treat published builds as examples rather than ready-made, universally compatible kits.
Scrap-built Raspberry Pi Zero W
Raspberry Pi’s 2020 feature documents a maker’s build using a Pi Zero W, scrap plastic, a display header connected to GPIO and a Python Pip-Boy-style interface with demo screens. The feature describes it as a non-beginner project and links to a detailed Instructables guide with process photos. This is a useful reference if you want to adapt reclaimed materials, but check the exact display and software requirements for the components you choose. Read Raspberry Pi’s Zero Pip-Boy feature.
Materials-led, hand-built enclosure
Raspberry Pi Official Magazine outlines a build using wide-bore pipe such as drainpipe, scrap plastic, a small container, foam floor mat and a 3.5-inch display. Its example controls include a KY040 rotary encoder, three LEDs and two push-buttons, with a power bank and wiring. This route offers flexibility in shaping and finishing the case, but expect to adapt the materials to your arm and electronics. See Raspberry Pi Official Magazine’s Pip-Boy guide.
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Legacy 3D-printed Raspberry Pi build
Adafruit’s older Pip-Boy 3000 guide describes a Pi Model B+ paired with a 3.5-inch PiTFT, PowerBoost 1000C, rechargeable 2200mAh battery, rotary switch and encoder, speaker and audio amplifier, LED, and a 3D-printed enclosure. It includes a Python interface and map data, but the guide explicitly warns that its code is out of date and may require reverse engineering. Use it as a design reference, not an assumption that the original software or parts will work unchanged. Before buying or assembling, verify the board, display, driver, operating system and power hardware as a single compatible combination. Read Adafruit’s legacy Pip-Boy 3000 guide.
Do not confuse the Pip-Boy 2040 with a Raspberry Pi build
Adafruit’s Pip-Boy 2040 is a separate project built around a Feather RP2040 and CircuitPython, with a small IPS screen and navigation controls. Its documented demo is a slideshow. It is not a Raspberry Pi single-board computer running a Pi operating system, so its architecture and software are not a drop-in alternative for this project. See the Pip-Boy 2040 overview.
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Plan the parts as compatible categories
Start with the functional categories below, then select specific components that fit together. The cited examples span different boards and generations; do not assume their individual parts can be combined without checking interfaces, dimensions, driver support and power needs.
| Category | What to plan for | Examples in documented builds |
|---|---|---|
| Computer | A Raspberry Pi board that suits the intended interface and software. | Pi Zero W in Raspberry Pi’s scrap-built example; Pi Model B+ in Adafruit’s legacy guide. |
| Display | A small display supported by the selected board, operating system and driver. | 3.5-inch displays appear in Raspberry Pi Official Magazine’s build and Adafruit’s legacy PiTFT build. “3.5-inch Raspberry Pi display” is a useful search phrase, not a guarantee of compatibility. |
| Portable power | A power arrangement appropriate to the board and display, with space to mount it securely. | A power bank in the magazine build; a rechargeable 2200mAh battery and PowerBoost 1000C in Adafruit’s older build. These examples do not establish runtime. |
| Controls and indicators | Physical inputs that suit the interface; add indicators only if they serve a purpose. | KY040 rotary encoder, push-buttons and LEDs in the magazine example; rotary switch, encoder and LED in Adafruit’s guide. |
| Enclosure and mounting | A forearm-worn shell with room for components, wiring and padding. | Scrap plastic and repurposed materials, foam floor mat, pipe, or 3D-printed parts appear across the examples. |
| Wiring and assembly materials | Connections and mounting choices that keep components secure and accessible. | Wiring is included in the magazine build; GPIO display-header mounting is shown in Raspberry Pi’s Zero project. |
Build and test in stages
- Choose the function and screen. Decide what the interface needs to show and how you will navigate it. Then select one board, display, driver and software combination that has verified compatibility. Do not rely on the out-of-date Adafruit guide working unchanged.
- Mock up the fit before fabricating. Use paper or cardboard to test the forearm shape, screen position and overall placement before cutting, gluing or printing final parts. Raspberry Pi Official Magazine recommends prototyping because repairs to a glued assembly can be difficult.
- Run the electronics outside the case. Connect the board, display and controls, install or develop the software, and test the complete setup before putting it into the enclosure. This makes it easier to reach connections and troubleshoot while changes are still simple.
- Design around power and comfort. Reserve space for the chosen power hardware and route wiring so it does not interfere with movement or snag easily. The documented power banks and rechargeable battery are examples of approaches, not promises of runtime.
- Assemble the enclosure around tested components. Whether you use reclaimed materials or printed pieces, keep access to components you may need to adjust or repair. Shape and padding should secure the wearable without making the screen or controls awkward to use.
- Do a home wear trial before an event. Try it during an ordinary day, as Raspberry Pi Official Magazine advises. Check comfort, arm movement, dexterity, snagging and whether the unit could hit or damage nearby objects.
What to expect from the software
A Pip-Boy look does not require one particular application, but the interface and hardware must be planned together: display orientation, resolution, input controls and driver support all affect how the screen behaves. Raspberry Pi’s Zero W example uses a Python interface with demo screens; Adafruit’s older Pi guide includes a Python interface and map data but warns its code is out of date. That warning makes the latter a source of ideas and reference material rather than a ready-to-run software package. For a finished build, confirm that the software runs on your chosen board and operating system and recognizes your exact display and controls before closing the case.
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Choose a fabrication route by the trade-offs
| Route | Useful when | Things to check |
|---|---|---|
| Scrap or upcycled materials | You want to shape a one-off enclosure from available materials and are comfortable adapting as you go. | Fit, component access, secure mounting and whether the selected display and controls can be positioned clearly. |
| 3D-printed enclosure | You want a case designed around component dimensions and can print or outsource the parts. | Confirm the enclosure files match your hardware; Adafruit’s older guide pairs its case with a legacy Pi and display arrangement, and its code is out of date. |
Neither route is a universal winner. A case that looks convincing can still be uncomfortable or hard to repair, while a quick prototype may make it easier to revise screen placement before committing to a final finish.
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