A little info on what this means and some example pictures
Comparison of an Infrared picture vs. a RGB picture on the basis of a phtograph of Vienna by night. Pay attention to the fog in the distance. (Drag the vertical bar to compare the photos)
Continue reading I modified my Olympus Pen E-PL1 to take Infrared pictures.
I just bought 4 old moving heads. I paid €30 for all four :-D
Recently I glued together some laser cut pieces of Acrylic with patchy results. The bonding was good but the Acrylic cracked. Hundreds of tiny cracks all along the cut edge.
Cracks on a test piece.
So, what does one dot o prevent this?
Continue reading Gluing Acrylic (PMMA) With Acrifix 1r 0192
A fine blog about photography
I bought this mechanical desktop calculator some years ago at a flea market.
A few years ago the elevator in my apartment building was replaced. The changed the motor, the controls and the cabin.
I could not resist and salvaged some parts of the control. Among other parts I saved the electric contactor switching the motor. Here are some Pictures.
Continue reading Old electric contactor from an elevator
I have a soldering iron and I’m not afriad to use it.
My tablet has some issues, so I took it to the doc. to have it X-Rayed. Note the different image contrast across the voltage range.
50kV accelerating voltage
Continue reading X-Ray on a Tablet (Galaxy Tab)
I found a crate with old Hewlett Packard PCB in the storage. It’s sad enough that they sit in storage so I thought I share some pictures of them. I think it’s interesting to see how they where designed back in the day.
Continue reading Some old but interesting circuit boards from HP
The complete setup. All the cables and the temp. probe fit in the box
I bought a temperature controller and a temperature probe from DealExtreme to control the temperature of a water filled pot.
After using the controller for some time only with floating wiring I decided that it was time to mounted it into a proper case (As for myself an absolutely unsafe wooden box with mains voltage inside is okay). The pictures don’t need much description. The BOM is at the bottom of this page.
This setup can be used to cook meat, make nice breakfast eggs, soften wax (used when modelmaking things with wax) and (very important) cook perfect Weisswürste!
Continue reading Low-temperature cooker/Sous-vide controller