Yearly Battery Check – My 2021 New Year Resolution.

My 2021 New Year resolution is to do annual battery checks on all my battery powered instruments. I found batteries as old as 13 years …

100$ Thermal Camera With 32×32 Pixel. HTi HT-02D Unboxing And Test

There is a huge difference from the very cheap 8×8 pixel thermal cameras, to the 32×32 and up to the 160×120++. The price seems to …

Future Projects, Teardowns and Power Electronics – Isolation, Day 22

A look into what the future brings of projects, teardowns and power electronics. Simple, complex, small and large, there will be it all, stay tuned!

Anet A8 3D Printer Upgrades: 12V Power Supply From a Server

This is the first upgrade for the Anet A8 3D printer. A new powersupply from a HP server will be a fire-hazard reducing upgrade compared …

Anet A8 3D Printer Unboxing

This is the unboxing of a Anet A8 3D prrinter that was bought for my father to experiment with. Hopefully this will give some good …

Visiting The Expo: HI Tech & Industry Scandinavia 2019

I visited HI Tech & Industry Scandinavia 2019 in Herning, Denmark and while doing so I recorded clips of the most interesting robots, robotics, machines, …

How To Make a Stencil For Spray Paint With Cheap Hand Tools

How to make a stencil template out of metal sheet, reusable and very sturdy. Can be used for spray or brushed on paint. No power …

Video gear & workflow: Canon 5D mk3, Rødelink, FPS1000HD and more

A walk-through and demonstration of all my video and audio equipment that I use for youtube videos.

Computer scrap gold money WITHOUT chemicals or mechanical processing, part 2

Part 2 is now ready that I have received all confirmations, papers and the money is in my bank account It only took 5 days …

Computer scrap gold money WITHOUT chemicals or mechanical processing

In this video I show how you can still make money on scrap computer parts without refining the parts yourself, so there is no use …

Taking a look at the Toshiba Toughbook CF-18 vintage computer

Here is a laptop, used for field engineering work back from 2006 where it was released. I am doing a quick overview and demonstration of …

Photomultiplier scintillation experiment

I have successfully detected something, this might sound a little uncertain, but there definitely is detected some kind of radiation or particle energy that causes …

Teardown – Schneider Electric frequency inverter ALTIVAR71

I picked up two of there 5.5kW frequency inverters from a scrap yard. Both assumed to be thrown out due to malfunction. I took them …

Isophon BS35 speakerset complete

I have finished the speakerset built for my upcoming valve amplifier and you can read all about the construction in the article by following this …

homopolar motor

This morning I made the simple experiment first demonstrated by Michael Faraday in 1821, the homopolar motor. It is a simple electric motor that anyone …

Demonstration of Thrige power station

Introduction I visited one of the monthly openings at an old power station from 1916 that is still operational, it is only maintained and started …