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For a compact wrist-mounted DIY Pip-Boy, the best-documented starting point is a 1.69-inch, 280×240 IPS TFT paired with a Feather RP2040, as in Adafruit’s Pip-Boy 2040. Its parts list names a 3.7 V, 420 mAh LiPo battery with a JST-PH connector. That is a documented component choice—not a promise of battery life. If you want a larger Raspberry Pi-based build, a separate older guide uses a 3.5-inch PiTFT and a 2,200 mAh battery, but its software is explicitly marked out of date.
Which small display fits a Pip-Boy build?
For a compact wearable modeled on the Pip-Boy 2040, start with the 1.69-inch, 280×240 round-rectangle IPS TFT. Adafruit’s example pairs it with a Feather RP2040 and configures the display’s ST7789 controller over SPI. The guide was published December 14, 2021, and last edited April 18, 2025.
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This is a supported combination for that Feather-based project, not evidence that the display is a drop-in Raspberry Pi screen. Check the interface, controller support, board connections, and physical dimensions before adapting it to another design.
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For the compact build, Adafruit lists a 3.7 V, 420 mAh LiPo battery with a JST-PH connector. The product information gives 3.7 V as nominal voltage, 4.2 V when fully charged, and approximately 1.55 Wh. These are battery specifications, not an estimate of how long the assembled prop will run.
#1 Best Overall
- The 3.5-inch touchscreen comes with a special case for the Raspberry Pi 5 that can accommodate both the touchscreen and the Raspberry Pi 5, creating a perfect combination of touchscreen and Raspberry Pi 5.
- 480 x 320 resolution, 60 FPS refresh rate for Raspberry Pi, supports 125 MHz SPI signal input, stable display without flickering. (Note: The 3.5” touch screen is available for Raspberry Pi 4 and Raspberry Pi 5, but the case is only available for Raspberry Pi 5).
- Come with mini fan and heat sink, make sure your Raspberry Pi 5 works stably to achieve the best heat dissipation, you don't need to worry about heat dissipation.
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- The scope of delivery includes: 3.5-inch touch screen, case for Raspberry Pi 5, pen, screwdriver, heatsink, rubber feet, screws, metal braces and mini fan.
Before connecting a battery, verify its dimensions, connector type and polarity, and voltage against your exact board and enclosure. Confirm that the build has an appropriate charging and power-management path; a connector that fits is not by itself proof of electrical compatibility.
Why capacity does not tell you runtime
The cited Pip-Boy 2040 materials do not publish a measured runtime for the complete device. Actual operating time depends on the assembled system’s power draw and how it is used. Do not convert 420 mAh into a specific number of hours without measurements for your build.
Rank #2
- 【RP2040 Development Platform】It uses the Raspberry Pi Pico development board and is equipped with the RP2040 microcontroller, making it suitable for e-learning, programming instruction, and embedded project development.
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How does the larger Raspberry Pi option compare?
Adafruit’s Raspberry Pi Pipboy 3000 guide lists a 3.5-inch PiTFT for Raspberry Pi B+/2, a PowerBoost 1000C, and a 2,200 mAh lithium battery. Published February 4, 2016, the guide is a historical hardware reference rather than confirmation of present-day compatibility: it warns that the project software is out of date.
| Build path | Display and controller | Battery and power | Key qualification |
|---|---|---|---|
| Compact wearable | 1.69-inch, 280×240 IPS TFT; Feather RP2040 example | 3.7 V, 420 mAh LiPo with JST-PH connector | No measured runtime is reported; confirm fit, charging, and electrical compatibility for your build. |
| Larger Raspberry Pi concept | 3.5-inch PiTFT for Raspberry Pi B+/2 | 2,200 mAh lithium battery and PowerBoost 1000C | 2016 guide; its software is marked out of date, and current compatibility is not established. |
The dimensions and platform differ materially: the compact option is documented for a Feather RP2040 wearable, while the larger reference is built around an older Raspberry Pi setup. Choose based on the board and enclosure you intend to use, rather than assuming the display or battery can be swapped between designs.
Rank #3
- GREAT PICTURE QUALITY:This 8” touchscreen monitor has a beautiful HD screen of 1280X800 resolution,the picture quality is clear and crisp,advanced IPS glossy screen support 178° full viewing angle,brings a impressive visual experience
- FIVE-POINT TOUCH:Responds quickly in two seconds without the need for additional keyboard and mouse controls,and there's no lag whether you're swiping/scrolling/selecting/zooming in/zooming out or moving the cursor(Note: you need to connect to the USB port to use the touch screen function)
- DETACHABLE BACKBOARD&HOLES FOR WALL MOUNTS:The portable touchscreen monitor backboard is designed with a detachable stand and offers multi-angle support in both horizontal and vertical orientations.The detachable back cover provides sufficient protection for the touch screen display,and the back cover can be flexibly removed which compatible with standard 100/75/50 wall mounts.This ensures maximum versatility and compatibility with various mounting options available in the market
- PLUG-N-PLAY&FAST INSTALLATION:Simply connect the screen to device via HDMI interface and power the USB port to achieve function and no need to install any driver. The Switch button can turn on/off the monitor at any time, making it convenient for you to save power and reduce losses. It is a very energy-saving portable HDMI monitor
- WIDELY COMPATIBLE WITH VARIOUS DEVICE AND IOS:Designed for Raspberry Pi enthusiasts,our 8 inch monitor suits all Raspberry Pi versions,including Raspberry Pi(PI5/PI4/PI3B+/PI3/PI2/ZERO).Compatible with Octo Pi,BB Black,Banana Pi,Retro Pi,game consoles (XBOX/PS4/PS5),computers,TV boxes,and more.While this small monitor works seamlessly with Windows,Raspbian,Noobs,Kali-linux,Debian,Ubuntu,and Kodi,please note that touch functionality is disabled on IOS systems
What to check before buying parts
- Display: Match screen dimensions and interface to your controller and enclosure. Confirm that the software supports the display controller.
- Battery: Check nominal and fully charged voltage, capacity, physical dimensions, connector type, and polarity against your actual board.
- Power path: Identify how the battery will be charged and how the project will receive regulated power. The cited parts lists do not guarantee compatibility with every board or enclosure.
- Software: The Feather RP2040 project documents its display setup; the older Raspberry Pi guide flags its software as out of date, so verify what will run on your intended hardware.
- Runtime: Treat capacity as a specification, not an operating-time claim. Measure the finished device under the screen brightness and usage conditions you expect.
For background on the wearable platform, Raspberry Pi’s feature on wearing Raspberry Pi Pico describes the Pip-Boy 2040 as a Feather RP2040 wearable project.
Quick Recap
Best Value
- 7 inches, 800x480 pixels, IPS type, wide viewing angle, capacitive touchscreen, enjoy smooth touch response and excellent clarity for all your Raspberry Pi projects.
- Specially designed, simply connect to your raspberry pi's MIPI DSI interface. (No additional connections required.)
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- Supports for Raspbian OS 2 points to zoom the page(old version), for Ubuntu/Kali/Win10 IoT (single-touch only). Support backlight brightness adjustment.
- Easy to use, no configuration required, plug and play (for new and configuration unchanged raspberry pi systems). Instructions was provided.
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- Specially Designed Connectors for Pi Zero, Easy to Build All-in-one Mini Computer
- Mini HDMI port, USB Micro male port ×2 (1× HUB, 1× Power supply)
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- 7inch Capacitive Touch Screen, Supports 5-Point Touch* Making Human-Computer Interaction More Convenient (* the actual number of touch points depends on the software and system)
- Headphone jack, 4PIN speaker header
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