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Gregor van Egdom

Creative technical problem solver

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WHY2025 badge fire hazard additional issues

@Juerd posted a really detailed breakdown of several issues with the WHY2025 badge. Since I cannot post to the revspace forum ( An error occurred: Something has gone wrong. Perhaps this topic was closed or deleted while you were looking at Continue reading

SolidWorks Multibody Part as separate STL’s export

Being able to create multiple bodies in a single SW file can hugely speed up design, because not every part deserves its own *.sldprt. However, you ll usually want to export the bodies as separate STL s for printing. Here s a simple Continue reading

HexUploader mirror

Since the creator s site is unavailable and has been for some time, I m hosting a mirror of a binary of the handy HexUploader. It was available through a third party. This is a small Mac app that allows uploading .hex Continue reading

Wemos / Lolin ESP32 Technical drawing

Since lots of people come looking for the Arduino Uno technical drawing, I decided to make a drawing with the main dimensions of the Wemos ESP32 as well. It s probably the same as the D1 and other Lolin / Wemos Continue reading

Arduino MKR1000 technical drawing

Since lots of people come looking for the Arduino Uno technical drawing, I decided to make a drawing with the main dimensions of the Arduino MKR1000 as well. It’s based off the CAD-model by Johannes Funk on GrabCAD.

Arduino Mega technical drawing

Since lots of people come looking for the Arduino Uno technical drawing, I decided to make a drawing with the main dimensions of the Arduino Mega as well. It s based off the CAD-model by Augustine Aelevanthara on GrabCAD.

Nidec 24H brushless motor control

For an electro-mechanical designer, motors are a key component. Being able to move stuff in the physical world at high speed and precision makes modern products feasible. For a long time brushed, DC Motors were the only viable option, sometimes Continue reading

Stolen Gazelle cityzen ebike

30th of April, there was a break-in at our house and several bikes were stolen; one of mine and the others from the neighbors. Frame number: GZ60560592VIN: XRGA0H57A6A000281 If this bike is offered for sale to you, please get in Continue reading

Itho Daalderop CVE repair

Dutch manufacturer Itho Daalderop seems to have an electronics reliability problem. I ve now repaired 4 fans from the brand. One common problem seems to be that the transformer on the PCB of the CVE Centrale ventilatie eenheid breaks. It is Continue reading

Void your warranty: Apple iPod 5G

Starting today, I ll be posting teardowns of consumer electronics every month or so. These photos have been taken a long time ago, but are still relevant because most of the manufacturing technologies haven t changed. Resistive welds can clearly be seen, Continue reading

Gregor van Egdom · RSS Amplifier