28 January 2017

Arduino Nixie voltage booster: 12 V to 200 V

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Nixie PSU kits are cheap and robust, but sometimes they can be "too much" for a project: too big, too costly, too powerful . It i...
12 January 2017

From Eagle to KiCad

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For Xmas 2016 I gave myself a little time to test KiCad as a replacement of Eagle. Even if I used it for very few hours, I could not get t...
09 January 2017

Nixie Tube Ciapapuer - 3 - final firmware

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Lately I have pushed to github a new version of the Nixie Tube Ciapapuer firmware . The main change lies in the way the random number gene...
03 January 2017

Ham calls in a stationery store

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I was walking in the neighborhood this afternoon and at the stationer's shop window I saw these bags: They show supposedly U.S. van...
24 December 2016

My first Nixie based instrument at work

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Since the Philips PM2422A instrument works, it has been put into use. Here it is measuring a 1% (vintage) 10.7 Mohm resistor. The readin...
22 December 2016

My first Nixie-based instrument

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At the ARI Torino HAM rally few Sunday ago (Nov, 27th 2016) during my third or fourth tour of exhibitors I spotted what looked like a bo...
12 December 2016

Nixie Tube Ciapapuer - 2 - video

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If you are curious how the Nixie Tube Ciapapuer looks, here's a short video: In the end I dropped the fading effect descried in the...
06 December 2016

Nixie Tube Ciapapuer - 1

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Or, in plain English, " Nixie tube home decor ". Literally: "Nixie tube dust collector." Why, why would I ever wan...