If you're looking for a basic computer to type, send emails, and browse the web, buying a second-hand device might seem like the most practical option. However, Tiangong News Agency has discovered a smarter and more cost-effective solution: building your own mini-computer using a Raspberry Pi and a 3D printer. This unique project not only saves money but also offers an exciting hands-on experience for tech enthusiasts.
Recently, Adafruit—a popular open-source hardware platform—shared a detailed tutorial on how to create a powerful and portable computer using a Raspberry Pi. The total cost of this DIY project is approximately $225 (excluding the 3D printer and printing materials). The tutorial was created by the Ruiz Brothers, who have made all the necessary design files, including 3D-printed STL files, publicly available for easy access.
This project may sound complex at first, but with modern technology and clear instructions, it's surprisingly manageable. The Raspberry Pi is a small, affordable (around $30) computer that fits in your hand. It can be connected directly to a monitor or TV, along with a keyboard and mouse. It supports HD video playback, word processing, gaming, and internet browsing—essentially doing everything a regular desktop can do. It’s also a favorite among makers and educators for learning programming and developing smart devices.
To build this setup, you’ll need a Raspberry Pi, a power supply, a display, and optional audio components. While the process involves some wiring and programming, the guide from the Ruiz Brothers is thorough, and you can always seek help from the Adafruit community. It’s a great opportunity to meet others who share your passion for making.
The 3D-printed case provided by the Ruiz Brothers is quite large, so it may not fit on smaller 3D printers like the PrintrBot Simple. A printer with a minimum build area of 100 x 168 x 30 mm is recommended. Alternatively, you can use a 3D printing service if you don’t have the right equipment.
This project is perfect for anyone who wants to become a real maker. It covers everything from planning and coding to electronics and 3D printing, offering a complete creative experience. Whether you're a beginner or an experienced tinkerer, this is a fantastic way to learn and grow.
Before starting, the Ruiz Brothers have listed all the parts and tools you'll need, which are available at Adafruit’s online store. These include:
- Adafruit DPI Display Kippah
- Raspberry Pi 2
- Raspberry Pi B+
- 5-inch TFT display, 40-pin
- PowerBoost 100C
- PAM8302 amplifier
- Thin plastic speaker
- 2500mA lithium battery
- Slide switch
- Right angle 3.5mm stereo plug
Tools and consumables include:
- 3D printer
- Wire
- Wire stripper/knife
- 30/26AWG cables
- Soldering iron and solder
- Panavise Jr. light vise
- Screws and fasteners
Whether you're looking for a fun project or a budget-friendly alternative to a traditional computer, this Raspberry Pi build is both innovative and rewarding. It’s a great way to dive into the world of DIY tech and gain valuable skills along the way.
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