computer science

OLinuXino

OLinuXino is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand OLinuXino rather than just read about it. In short: OLinuXino is an open hardware single-board computer capable of running Android or Linux designed by OLIMEX Ltd in Bulgaria. The project's goal was to design DIY friendly industrial-grade Linux board which everyone can reproduce at home.

Key takeaways

OLinuXino belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect OLinuXino to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of OLinuXino from memory before moving on to harder problems.

Reference excerpt

OLinuXino is an open hardware single-board computer capable of running Android or Linux designed by OLIMEX Ltd in Bulgaria. The project's goal was to design DIY friendly industrial-grade Linux board which everyone can reproduce at home. It leverages widely available hand-solderable components which are reasonable to purchase in low quantities, housed in TQFP packages. The project's CAD files are hosted on GitHub, allowing everyone to study and customize them according to their needs. Initially OLinuXino was designed with EAGLE. In March 2016 the first boards designed with KiCad became available as OLIMEX Ltd announced plans on switching development to Open Source CAD tools.

iMX233

A13 The Chinese company Allwinner released in April 2012 Cortex-A8 SoC in TQFP package, this was spotted immediately by OLinuXino developers and they start working on OLinuXino board based on A13 Three OLinuXino boards with A13 processor were released:

A10S In November 2012, Allwinner released a new A10S processor with HDMI and Ethernet and dual-core A20 processor. The A13 has no native Ethernet capability, so the A10S processor was chosen for new OLinuXino boards.

A20

A64

Operating systems Officially supported:

Debian Android Third party:

Armbian Arch Linux ARM

See also List of open-source hardware projects

References

External links OLinuXino web site SUNXI: OlimexA64-OLinuXino OLinuXino looks to take on the Raspberry Pi Meet the iMX233 OLinuXino Nano Element14 Olimex A10S/A20-OLinuXino boards quite BBB-like Linux Sunxi Community Open Source Hardware Hackaday article - OLinuXino booting Android CNX-Software OLinuXino unboxing and review Slashdot Fully open OLinuXino computer PC Magazine - PC like the Raspberry Pi but faster and fully open Dangerous Prototypes - OLinuXino single board computer

Illustrations

Worked examples

Example 1 — a first encounter with OLinuXino

Start with the simplest possible case. Write down what OLinuXino claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to OLinuXino before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about OLinuXino ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of OLinuXino

In research: OLinuXino appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses OLinuXino in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: OLinuXino is common in secondary-school and first-year university syllabi. It links to neighbouring topics Single-board computers, so understanding it makes those chapters shorter.
In everyday life: Look for OLinuXino outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study OLinuXino in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what OLinuXino means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain OLinuXino out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is OLinuXino in simple terms?

Why does OLinuXino matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study OLinuXino?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on OLinuXino.