Author Archive John

ByJohn

Plexiglass Aerated Vertical Etch Tank

a verticle bubble pcb etch tank for a cupric chloride etch

I wanted the ability to rapid fab PCBs with out days to weeks of turn around. part of this was delay associated with learning pcb design as I went and part was cost per oops. i built this from a pile of Plexi a roommate had once left behind. Plexi will tolerate cupric chloride.

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ByJohn

UV Lithography Exposure Box

A DIY Vacuum Pull Down UV lithography Exposure Device. Which has so far achieved nine thou likely could go much lower

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ByJohn

Lawn Tractor Snow Plow Conversion

A former client of mine who basically pays his rent as a groundskeeper had a Kohler pro lawn tractor and manually/mechanically adjusted snow plow blade

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ByJohn

BPYTOP

I just came across a python based linux process monitor and gave it a go on clear linux. to early to report much of an opinion on it but it installed quickly with out hassle and looks neat.

Its supposed to be relatively low on resource utilization as well.

BPYTOP on the server hosting the guest that served this site.

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ByJohn

Tech Blog

Computer Hardware, Workstations, Network Gear, MCUs, Programing, Hypervisors, Quads, actual Eyepods, iPods, iPhones, iPads, Smart Devices.

If it lights up, plugs in or even takes gas it might be covered here.

This section will also include software reviews and either problems ive solved as such or as a howto/diy.