Posted in Schematics & Homebrew

CM108AH USB soundcard on a chip

I’ve found great difficulty to find an application note of this USB soundcard on a chip. I ve decided to share here the info that…

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Posted in Admin's blog

SBM20 The quintessential russian geiger tube.

The SBM20 is the most produced of the russian geiger tubes. Probably it’s also the most produced tube in all world. It’s characteristics and cheapness…

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Posted in Admin's blog

Simple Geiger clicker

This is a simple schematic of a Geiger clicker. It power a Geiger tube with 350-400V and extract/amplify it’s “clicky radiation sound” making it earable….

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Posted in Photomultiplier tubes

FEU84-5 ФЭУ-84-5 PMT photomultiplier tube for gamma spectrometry

I’ve bought a couple of FEU84-5 PMT’s from an eBay seller. I’ve bought because of an occasional low price and because I heard that this…

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Posted in Russian tubes

MS-13 MC-13 glass tube

This tube is very hard to find. It’s compact size and it’s connection socket, similar to the car brake light bulb makes it the stangest…

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Posted in Russian tubes

MS-6 MC-6 γ-selective geiger counter

This is another glass russian Geiger tube made for professional use, not for military like all the M-series tubes. The MS-6 is gamma-selective and have…

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Posted in CNC

CNC 3020 USB

Finally, after so much time spent in thinking, I’ve bought a Chinese CNC. I’ve choosed the model “3020T USB” from CNCEST manufacturer because it have…

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