01
Learning Linux internals & drivers
See how the kernel, device tree and drivers fit together. What matters: strong docs, a serial console header and GPIO pins to drive real hardware.
Top 2: Raspberry Pi 5 · BeagleBone Black
6
use cases mapped
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Free guide - for learners
The right first board for your Linux projects
Boards compared by what you want to build, not by spec sheets. Six use cases, the capabilities that matter for each, and the four checks to run before you spend money.
Get the checklist
4
checks before you buy
7
boards compared
Start with the project
Match the board to what you want to build
The wrong question is which board is best. The right question is what you want to build. Find your project below; each names the capabilities that matter and the two boards that fit.
02
Home automation, NAS & media
A board that runs a service all day. What matters: 4 GB+ RAM, wired network, and reliable NVMe/USB storage with ready-made images.
Top 2: Raspberry Pi 5 · Radxa ROCK 5B
03
Camera & vision projects
Capture and process images. What matters: a working CSI camera path and enough compute for the models you plan to run.
Top 2: Raspberry Pi 5 + Camera Module 3 · Jetson Orin Nano Super
04
Robotics & electronics-heavy builds
Talk to motors and sensors, sometimes with hard timing. What matters: plenty of GPIO, PWM, I²C, SPI and real-time-capable hardware.
Top 2: BeagleBone Black (PRUs) · Raspberry Pi 5 + Pico 2
05
Build systems, Yocto & kernel work
Build your own image or run a kernel you compiled. What matters: mainline kernel support and a maintained Yocto layer.
Top 2: BeagleBone Black · Raspberry Pi 5
06
Edge AI & on-device ML
Run vision models and small ML on the board itself. What matters: an NPU or GPU with a real, supported software stack — not just a TOPS number.
Top 2: Jetson Orin Nano Super · Raspberry Pi 5 + AI HAT+ (budget: BeagleY-AI)
★
Do not overbuy. A modest board you use every week teaches more than a powerful one in a drawer. When two boards both work, buy the cheaper one and spend the difference on sensors, cables and a good power supply.
The shortlist
The boards, at a glance
Every board here is readily available in 2026 and beginner-friendly. Prices are approximate and move around — check before you buy.
| Board | Best for | Approx price | Community | Standout | Watch out for |
|---|---|---|---|---|---|
| Raspberry Pi 5 | The default first board, most projects | ~$50–80 | Highest | Ecosystem, 40-pin GPIO, PCIe via HAT | Street prices volatile |
| Raspberry Pi Pico 2 | Real-time companion / first MCU | ~$5 | High | $5 microcontroller for timing-critical I/O | Not a Linux computer |
| BeagleBone Black | Drivers, robotics, Yocto learning | ~$50–70 | High (learning) | 2× PRUs for hard real-time; open hardware | 2013-era SoC, 512 MB RAM |
| BeagleY-AI | Modern open edge-AI + real-time | ~$70–86 | Growing | 4 TOPS + Cortex-R5, Wi-Fi 6, PoE, PCIe3 | Younger ecosystem than Pi |
| Radxa ROCK 5B | Home server / NAS / media / desktop | ~$150+ | Medium | RK3588, 2.5 GbE, PCIe 3.0 NVMe, 6 TOPS | Vendor kernel; more forum work |
| Jetson Orin Nano Super | Serious vision & edge AI | ~$249 | Medium | 67 TOPS, CUDA, Isaac ROS | Steeper setup; not a desktop swap |
| Raspberry Pi AI HAT+ | Add edge AI to a Pi 5 | ~$70 / ~$110 | High | Hailo NPU (13 / 26 TOPS) in the Pi camera stack | Needs a Pi 5 host |
Before you pay
The four checks before you buy
Run these in order for any board on your shortlist. They take less than an hour and prevent the most common first-board regrets.
Check 01
Community & documentation
Search the exact board name together with the thing you want to build. If results are thin, pick the board with the larger community — answers you can find beat performance you cannot use.
Check 02
Memory & storage headroom
1–2 GB RAM is enough headless; aim for 4–8 GB for a desktop or heavier services. Check how it boots — SD, eMMC, USB — and prefer a board that boots from more than one.
Check 03
Power, case & cooling
Most mystery crashes on a first board are the power supply. Use the one the maker specifies, and budget for case, cooling and cables — accessories often add a third to the price.
Check 04
A way in when things break
Prefer a board with a serial console header. When the screen stays black, the serial console shows what actually happened — and learning to use it is the first professional skill this hobby teaches.
How to use this guide
- Start from your project, not from a board’s spec sheet.
- Shortlist two boards, then run the four checks on each.
- Prefer the board you can get answers about over the faster one.
- Grab the printable checklist below and keep it at the bench.
Your day-one kit
Power supplyThe exact one the board maker specifies.
StorageA quality SD card, or eMMC / USB where supported.
Serial adapterA cheap USB-to-serial cable — your window in.
Case & coolingHeatsink or fan for anything under real load.
Free download
Get the printable shortlisting checklist
Enter your email and we send the complete first-board checklist — the six use-case picks, the four pre-buy checks and the day-one kit — laid out to print and keep.
- The full checklist as a printable PDF.
- The board shortlist with prices and watch-outs.
- Add WhatsApp and an engineer can help you choose.
Questions
Common questions
Is a Raspberry Pi a good first board?
For most people, yes. The community is the largest, the documentation is the best, and almost every project you can imagine has been written up by someone. Choose something else when your project clearly needs what another board does better - PRUs for hard timing, a Jetson for vision models.
Do I need the most powerful board?
No. Most first projects are limited by learning time, not by the board. A modest board in weekly use teaches more than a powerful one in a drawer.
What do I need on day one besides the board?
The power supply the board maker specifies, a storage card or module, cables, and ideally a USB-to-serial adapter. The adapter costs little and lets you see the console when the screen stays black.
Can I do kernel work on these boards?
Yes. Every board here can run a kernel you built yourself. When you are ready, the Board Bring-Up Checklist gives you the order to work in - stages 05, 08, 09 and 10 are the practice path on a dev board.
I already own a board. Should I still read this?
Use the board you have. The four checks still help - run them to understand what your board is good at, then start at stage 05 of the bring-up checklist and get a serial console working.