Author Archives: Marek Lewandowski

On motion control with LEGO Spike

Posted on 2021/12/28th by Marek Lewandowski
Posted in LEGO, Spike Prime/Essential | Leave a comment

LEGO Spike Color Sensor (Prime or Essential)

Posted on 2021/12/18th by Marek Lewandowski

The Spike Color Sensor is often used for tracking markings on the floor in activities like FLL or WRO challenges. It is important to understand, that the sensor has a certain size of a spot that it watches. To determine … Continue reading →

Posted in LEGO, Spike Prime/Essential | Leave a comment

Straightening warped LEGO plates, twisted frames and bent axles

Posted on 2021/04/15th by Marek Lewandowski

Recently I have purchased a second-hand LEGO set only to find some large, rare (as in: expensive to replace) parts WARPED. I searched the net and found several threads where people reported on similar issues, but no good solution. So … Continue reading →

Posted in LEGO, Spike Prime/Essential | Leave a comment

Fixing LEGO Railroad switches / points

Posted on 2020/12/29th by Marek Lewandowski

So you flip the LEGO switch on your LEGO Railroad system and… nothing happens. Or the switch moves half-way and stops. There is a post here: https://bricks.stackexchange.com/questions/11141/lego-track-switch-doesnt-close-properly describing what I was facing recently. I found a better solution than described … Continue reading →

Posted in LEGO, Powered Up | 4 Comments

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

Posted on 2020/12/18th 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