Tag Archives: diy

Old-school Scientific Pen Plotter Teardown

I recently acquired an old Rikadenki pen plotter from a lab I work in and have decided to pull it apart to investigate how it works. It turns out to be quite unlike any of the Cartesian bots currently used by the DIY community. The pen … Continue reading

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DIY Digital Cell Phone Microscope.

I’m lucky enough to have in my possession a 40+ year old Japanese made microscope that belonged to my mother as a child. Although small, it works quite well and produces good images even though I imagine it was only ever intended … Continue reading

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