Category Archives: Uncategorized

Focaccia slicer

Posted on September 11, 2017 by Jim

Lauren wanted to made sandwiches out of a round focaccia loaf for an unusually long square dance session.  The question was how to slice it in half neatly.  Plan A was to firmly support both ends a long knife horizontally … Continue reading →

Posted in Miscellaneous, Uncategorized | Tagged , , , | 2 Comments

Shapeoko 2 calibration runs

Posted on September 11, 2015 by Jim

Background After some issues with accuracy drilling holes in PCBs and concern about backlash with the GT2 belt drive that makes some real machinists roll their eyes, it was time to do some initial calibration investigation. Bill P brought in … Continue reading →

Posted in Shapeoko, Uncategorized | Tagged , , | 1 Comment

Re-registered TPMS – despite FTDI

Posted on July 3, 2015 by Jim

Background: My new Prius 5 (not V) came with 17″ wheels/tires – rather than the 15″ ones that came with lower trim levels.  Great! (I thought.)  Larger tire diameter will translate to smoother ride!  Well, No.  The wheels are larger, … Continue reading →

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Adventures with the Workshop 88 Cupcake

Posted on April 3, 2014 by Jim

Driven by both my desire to be able to 3D print stuff for myself and desperation at needing to be able to do reasonable 3D printing demos for the schools and libraries that are asking us to do them, I … Continue reading →

Posted in Cupcake 3D printer, Uncategorized | Tagged , , , , | 5 Comments

Supply voltage brinksmanship for sound modules

Posted on November 14, 2013 by Jim

I’ve been working on two “3 volt” sound modules – a micro SD card module for the dollhouse and a from-scratch flash memory sampled sound playback device for the starter’s gun.  Neither one actually works on 3.3V.  So begins the … Continue reading →

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