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Recent Posts
Author Archives: Marek Lewandowski
Elgato Camlink 4k vs. China “HDMI to USB” converter
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)
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
Posted in LEGO, mindstorms ev3, rants etc.
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Lego PoweredUp bugs/missing features
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
LEGO Powered Up Connector
Recently (years, not decades) LEGO introduced a new family of motors, sensors and control system – it was and is a bit confusing, but whether you think of LEGO WeDo, Control+, Powered Up, Spike Prime or the new Mindstorms 51515 … Continue reading
Posted in LEGO, Powered Up, Spike Prime/Essential
Tagged 3D print, LEGO Power Functions, LEGO Powered Up, Plug
126 Comments
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 Generation Robots. They made a short deal out of it and I got a replacement sensor … Continue reading
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
Posted in rants etc.
6 Comments
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. Von Anfang an … Continue reading
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
Posted in photography, rants etc.
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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
Hantek DSO1062B / DSO1102B / DSO1202B vs. 5GS/s LeCroy Waverunner ;)
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