Tag Archives: pcb

Shapeoko 2 PCB drilling – and scale error

Thanks to some urging from Steve S, we finally got geared up to try PCB drilling on the Shapeoko 2 at the space last Thursday (8/13/15).  (We had planned to use it to drill badge boards last September, but during … Continue reading

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Making cupric chloride etchant – with 35% hydrogen peroxide!

I scored some 35% “food grade” H2O2!  I tried a few local health food stores with no success, but finally found a link to places that sell it.  I called Life Spring Health Food in Chicago and they had it … Continue reading

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