Automated controller cabinet fan

Version This contain some functions added in the following version, make sure you are on this or newer. Firmware: RepRapFirmware for STM32F4 based Boards 3.3RC2+1_1 (2021-05-13) Intro On my previous printers I always had as many things as possible automated. Fan on the extruder for when the hotend was over a certain temperature, fan to … Read more


After a few years with a lot of writing and deletion of data, I noticed my server starting to have problems even at light writing and reading at the same time, on the same disk. Looking at the hard drive activity light on the case, I could see it being mostly just constantly on, and … Read more

Using Unraid and Quick Sync to transcode in Plex

Intro Using Plex to stream videos to different devices is very convenient and easy to use. In the background however, there is a lot going on. Different devices require different formats, and the video file you already got might be in a format that specific device can’t play, or maybe the bandwidth is too low … Read more

Load testing an OnePlus charger

After my previous post with a pretty disappointing result, I decided to try one of my more trusted phone chargers. This one is from my old OnePlus 5 and is made by Salcomp. It is rated to 2100mA, let’s see what the results are…    Test: Passed! These results look a lot better, and staying … Read more

USB power supply test

Today I stumpled upon my Re:load Pro electronic load, and decided it would be fun to control it with some python code. After just a few minutes I got a connection to the electronic load, and could also get readings. A few minutes later I could also set the load it would apply to its … Read more

Monoprice MP Mini SLA spare parts

Just before Christmas I got my first SLA printer. Being in EU, I found it difficult to actually find spare parts for it. At first I looked at the printer on, but being in EU I ordered it from… It turns out, the EU site does not contain as many spare parts… It … Read more

iDRAC6 No Active LOM fix

After upgrading bios and firmware on my Dell R610 server, iDRAC6 stopped working. Accessing the menu by pressing CTRL-E on boot, was giving me “No Active LOM”, which is indicating it being unable to bind to any of the ports. After searching a bit on google, I found this to be a known problem, with … Read more

Accuracy of micro switches

I see a lot of people doing all kinds of upgrades on their 3D printers, but not many are doing one of the simplest things to get better accuracy and repeatability on their micro switches… Let’s have a look where the most common problem is.

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