DIY Tr Tester Duoyi DY294 repaired
When it comes to simple measurements and checks for transistors or FETs, using a cheap tester that costs only 10 Eur can be good. However, especially when you want to measure the b…（Read more）
DIY 
Museum Wernigerode airplane museum
I visited a small aviation museum in the town of Wernigerode, about 130 km away from Hanover. The reason for visiting such a minor museum was that it is the only place in the world…（Read more）
Modeler obtained a book about Do335
Dornier Do335, 435, 635 Cover photo I got a book about Do335 series. It's probably discontinued and usually costs more than 80 EUR on eBay. I was so lucky to find a sell for 40 EUR…（Read more）
Museum Diekirch National Museum for Historic Vehicles
After enjoying the Military History Museum, I stopped by another museum in Diekirch, the Historical Automobile Museum. It's small, but the entry fee is only 5EUR, which is cheap. T…（Read more）
Museum DieKirch National Museum of Military History (MNHM)
Visited the medieval town of Vianden in Luxembourg with the family. Checked out the castle. Now, while pondering what to do next, the missus found out that there's a tank museum ne…（Read more）
DIY DIY Center speaker
Just completed Home surround system. I have been using ELAC FS207A as main speakers, and wanted to have matched center speaker, so bought ELAC CC203 used in last year September. Ho…（Read more）
MotorSports Kauhsen WK1 Mini car
The No. 1 thing I have been looking for since I started collecting F1 miniature cars finally arrived from Italy: the prototype of the 1979 Kauhsen WK1, the debut of which shocked e…（Read more）
Museum DEFENSE TECHNOLOGY MUSEUM KOBLENZ (Wehrtechnische Studiensammlung Koblenz)
Last week, I decided to visit the Military Technology Museum in Koblenz, just 50 km from my home. Despite its warehouse-like exterior in a residential area, the four-story building…（Read more）
Museum Local Zündapp Motorcycle museum
Before having a casual barbecue in the section chief's backyard, he mentioned visiting a private museum in the neighborhood, so I decided to check it out. To my surprise, it turned…（Read more）
Museum Yamato museum, Iron whale museum
In the morning, I moved to the Yamato Museum. The reliability of the staff, who readily answered any questions when asked, was reassuring. Before I knew it, I had circled around 1/…（Read more）