18 July 2017

32600 Li-Ion batteries

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Not much is going on this Summer 2017: it is just too hot! Meanwhile a friend gave me a couple of battery packs from a burglar alarm system....
15 June 2017

My take on CloudAtCost surprise maintenance fee

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Note: this post goes beyond the interest of the main audience of this blog. But it is the only way I have to share my thoughts. If you have...
12 June 2017

5870 vs 5750

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Nixies 5870/ZM1332 (and alike) and B-5750 share the same pinout, the same digit dimensions and shape, but not the height. Here is a side-by-...
26 May 2017

Staging the Nixie line-up on PCB

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First things first: do ZM1332/5870S fit and align on my fresh PCB's? Do they look right? In order to get a first impression I picked fou...
23 May 2017

My firstpcb.com's first PCB's have arrived!

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Finally! After a slooooow journey across the world, my first PCB's have arrived! Ten pieces of a board holding 4x ZM1332/5870S Nixies, t...
19 May 2017

My review of "57° Mercatino di Marzaglia" - May 2017

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Top quality from the past! For the first time I attended the famous Mercatino di Marzaglia near Modena (57 th edition, May 2017). I ...
18 May 2017

HB-100 300 metres "DX" and opaque windows

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When the first "long distance" 10 GHz reception test failed (about 300 m as the crow flies), I knew something was utterly wrong. B...
14 May 2017

10 GHz TX ready for the first mission

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Now that I have completed, debugged and tested the WFM modulator for HB100 radar modules, it is time to try an outdoor transmission. Since I...