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Cost $3: DIY talent creates a business card that can run Linux (Figure)

via:cnBeta.COM     time:2019/12/25 14:38:40     readed:382

If you can control a few LED lights through a business card sized PCB (printed circuit board), you may still be calm;But on the basis of ultra-thin, low cost and solid utility, the same size PCB with a cost of only $3 can run Linux operating system, would you be surprised? If it's not a long way from April, do you think it's a April Fool's Day joke?

This business card sized PCB that can run Linux was designed by George Hilliard, an embedded system engineer. He found a very suitable arm solution -- allwinner f1c100s. This compact chip provides both ram and CPU in a single package, which greatly simplifies the overall design and construction of the card.

With a 2.4 MB root file system, the environment running on this PCB is the simplest. It has no network, I / O port is also limited, and naturally can not run any cumbersome software. But it did start in six seconds, and George managed to load the Python interpreter and the maze exploration game "rogue," which was popular with UNIX in the 1980s.

In addition, the business card PCB also shows his resume and sample photos taken for the motherboard. After all, it's a business card. All users can access to the computer through USB port, and log in to the system running on the card through virtual serial single port.

In addition to the advanced documentation for this project[George] also prepared more in-depth articles, providing more technical details for anyone who might want to follow in their footsteps. Through all the source code provided by him, if you have enough hands-on ability, you can also make such a unique personal card.

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