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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
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
Posted in Cupric Chloride Etchant
Tagged CuCl2, cupric chloride, decompose, etchant, etching, food grade peroxide, h2o2, hydrogen peroxide, pcb
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