this post was submitted on 15 Sep 2023
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HaneSOM: A coin-sized 500MHz / 128MB ARM Cortex-A5 Linux computer (www.tindie.com)
submitted 1 year ago by dragontamer to c/technology
5 comments fedilink hide all child comments
 

Thanks to the 15mm x 15mm ATSAMA5D27 package from Microchip, this company created a 20mm x 20mm Linux computer roughly the size of a coin.

Small computers have been getting posted over at Hacker News, so I figured I'd share this one here in !technology.

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[โ€“] AnanasMarko 14 points 1 year ago (1 children)

How do you connect i/o devices to it?

[โ€“] dragontamer 17 points 1 year ago

You solder them onto the edges.

https://d3s5r33r268y59.cloudfront.net/datasheets/23894/2021-06-09-13-30-09/Hane-SOM-Full_SoM_pinout.pdf

There's the pinout. This is a common technique for electronics. See Sparkfun for a good tutorial: https://learn.sparkfun.com/tutorials/how-to-solder-castellated-mounting-holes/all