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Open source computer mouse by Ploopy
(lemmy.ml)
All about open source! Feel free to ask questions, and share news, and interesting stuff!
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"These jokers" are giving the files and documentation away for free. They're charging for the cost of putting together a kit so you can build one without thinking or understanding anything. If you want it for cheap, self source and DIY, that's the whole point, that's why the files are free.