Category Archives: rants etc.

LEGO Spike Essential Hub not charging – fix?

Posted on 15.Dec.2024 by Marek Lewandowski

There’s a long-known issue with the LEGO® Education Spike Essential® batteries that if they are left alone for long enough the hub will stop charging them. You will get a blinking orange light on the hub (instead of solid red … Continue reading →

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Brother LW-200/LW-350 GW-25/GW-45

Posted on 15.Feb.2022 by Marek Lewandowski

If you happen to have a Brother LW-350 or similar Brother Word Processor, the original Floppy that came with your system contained an accompanying Spreadsheet application. If you lost the disc, it got erased, formatted or otherwise damaged, here is … Continue reading →

Posted in rants etc. | 4 Comments

Brother AX-45 Manual / Bedienungsanleitung / Daisy Wheel Typewriter Word Processor User Manual

Posted on 23.Jan.2022 by Marek Lewandowski

Deutsche Bedienungsanleitung Brother AX-45 Typenrad Schreibmaschine
German User Manual for Brother AX-45 Daisywheel Typewriter Continue reading →

Posted in rants etc. | 2 Comments

Elgato Camlink 4k vs. China “HDMI to USB” converter

Posted on 18.Dec.2020 by Marek Lewandowski

A lot was posted all over the internet about capturing HDMI output and whether CamLink is worth its $120 price tag since there are $20 alternatives out there. But as the other sources deal mainly with the image quality, I dig a bit into what the hardware differences are and why they are important too. Continue reading →

Posted in rants etc. | 1 Comment

LEGO Classroom for EV3 bugs (Windows/Android)

Posted on 13.Dec.2020 by Marek Lewandowski

Lego has released their Classroom app for Windows/Android. Which is great, as now you can actually do some serious programming on your Android tablet (previously you had to go for a full-fledged Windows system to get variables, custom blocks etc. … Continue reading →

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Lego PoweredUp bugs/missing features

Posted on 13.Dec.2020 by Marek Lewandowski

Lego Powered Up is a mixed bag of features. There are some great ideas and many not that great. I sometimes wonder, if the app gets any sort of testing before being released to the public. It gives me the … Continue reading →

Posted in LEGO, Powered Up, rants etc. | 3 Comments

MEZ Elektronik ME2

Posted on 04.Dec.2019 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 →

Posted in rants etc. | 6 Comments

Paulimot 1-16mm “Präzisions” Schnellspannbohrfutter

Posted on 22.Nov.2019 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. Von Anfang an … Continue reading →

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

Posted on 07.Apr.2019 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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Hantek DSO1062B / DSO1102B / DSO1202B vs. 5GS/s LeCroy Waverunner ;)

Posted on 05.Apr.2012 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., Tools etc. | 7 Comments