Category Archives: rants etc.

Calibration of an Absolute IMU-ACG (or IMU-A / IMU-AC) by Mindsensors (Mindstorms EV3 acceleration, compass and gyro sensor – 9DOF)

So I got an Absolute IMU-ACG sensor made by https://www.mindsensors.com/. And it was a lemon to boot. My luck was, I bought it via Génération Robots. They made a short deal out of it and I got a replacement sensor … Continue reading

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MEZ Elektronik ME2

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

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.

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

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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