J. Peterson's Writing About Electronics, Reviews, 3D Modeling, etc.

3D: Replacement Stove Knobs


We have an aging Thermador gas range.  One of the original plastic knobs broke. Surprisingly, it was hard to find replacements.  Thermador no longer supplied them, and the 6mm D-shaft was an unusual size for generic replacements.  The closest I could come was some generic knobs off ebay.  But these didn’t have the proper stop inside the sleeve, so you couldn’t push the shaft in before turning it (a safety feature of the Thermador knobs). I kludged some stops with chopstick pieces, but it was clumsy.  Time to roll our own. read more »

Book Review: Lights Out: A Cyberattack, A Nation Unprepared, Surviving the Aftermath

What would happen to a major metropolitan area – say, NY or LA – if the electric power grid completely failed, for multiple weeks at a time? The result isn’t pretty, and this is the topic long-time TV journalist Ted Koppel covers in Lights Out. The book claims the electric power grid is subject to a uniquely new threat: Attack by cyber criminals who can disable huge portions of electric power supply remotely. read more »

Czurtek ET16 Scanner Review

Czurtek ET16 scanner

This post originally appeared on Medium.com.

I like scanners. See, at one time I was really into books. But after a decade or two, you come to the conclusion books take physical space. Lots of it. So when my tax guy showed me his Fujitsu ScanSnap I was hooked. Mine ingested most loose papers, statements and documents. This cleared a shelf or two. I also scanned many books by sawing their spines off, and feeding them to the ScanSnap fifty pages or so at a time. It works great, and this cleared several more feet of shelf space.

However, there are some books I just can’t bear to saw up to feed to a sheet-feed scanner, and this is the niche the Czurtek ET16 falls into. I also had fantasies of using it to replace my slow, clumsy flatbed scanner. So, I signed up to the Indiegogo campaign, for $234.

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