Category Archives: rants etc.

MEZ Elektronik ME2

Posted on 2019/12/04th by Marek Lewandowski

Elektronik ME2 to fantastyczny zestaw do nauki o podstawowych elementach elektronicznych, produkowany w latach 80-tych w Pradze czeskiej przez MEZ. W dzisiejszych czasach próżno szukać podobnej klasy zestawu w równie przystępnej formie. Walizeczki pojawiają się od czasu do czasu na … Continue reading →

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Paulimot 1-16mm “Präzisions” Schnellspannbohrfutter

Posted on 2019/11/22nd by Marek Lewandowski

Als Warnung falls jemand sich bei Paulimot verirren würde: Ich habe vor einem Jahr bei Paulimot dieses Bohrfutter gekauft. Soll präzise laufen, 1-16mm spannen können und günstig sein. Wie immer – von den drei kannste zwei auswählen.

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Fixing Lomo UPB-1A upper spool shaft / bolt /screw – for good.

Posted on 2019/04/07th by Marek Lewandowski

So, the infamous Lomo UPB-1A upper spool shaft / bolt /screw… It failed, didn’t it? The M10 screw snapped off at the stem right away and there’s no glue that will hold. Known issue. There are two fixes known to … Continue reading →

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Running third party motor with your Mindstorms EV3 / NXT

Posted on 2018/12/03rd by Marek Lewandowski

Mindstorms EV3 and their motors The LEGO® Mindstorms is a very nice compact and easy to program set, with a lot of sensors (both, LEGO own as well as third-party, see e.g. http://www.mindsensors.com/). When talking about motors, the air gets thin … Continue reading →

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Hantek DSO1062B / DSO1102B / DSO1202B vs. 5GS/s LeCroy Waverunner ;)

Posted on 2012/04/05th by Marek Lewandowski

What is it about? I have read all too often about things that are supposed to be just as good but ten times cheaper. I’m not a fool. Even though cheap tool can often do the job, I can see … Continue reading →

Posted in rants etc. | 7 Comments