Museum

Royal Navy Fleet Air Arm Museum

Visit report of Royal Navy Fleet Air Arm Museum. There are so many navy aircrafts from WW2 to recent jets, like Sea Fire, Corsair, Sea Vixen Buccaneer and Phantom, etc. The exhibition of inside of aircraft carrier ship is so informative. There are also many experimental aircrafts such as Concorde prototype, Early version of Harrier, Handley page 115.
2025.05.01
AirplaneMuseum
Music

Jeff Beck Concert in Koeln

So, it looks like next year's Japan trip is set, but I got a head start with Jeff Beck's Loud Hailer Tour in Cologne. Man, it was awesome! The venue was a small hall that couldn’t …（Read more）
2025.04.21
Music
Wordpress

Enable Tag cloud with NextGen Gallery under sub-language environment with Bogo

NextGen Gallery does not support sub-language directory structures when creating multilingual sites in Bogo, and tag search output is displayed at /ngg_tag/#tag only, and not at /en/ngg_tag/#tag. I solved this problem using Justified Image Grid.
2024.09.30
Wordpress
Wordpress

Count the number of posts in monthly archive in the current language only in Bogo

When creating a multilingual site with Bogo, the number of posts displayed in the monthly archive list is the total number of posts for all languages. As a countermeasure, I created my own archive widget using WP_Quary so that the correct number of posts for each language is displayed.
2024.09.20
Wordpress
Wordpress

Count the number of posts in a category in the current language only in Bogo

When creating a multilingual site using Bogo with Wordpress, the number of articles displayed in the category is the total number of articles in all languages, not just the current language. Here I will introduce a hack to fix this.
2024.09.15
Wordpress
Wordpress

Gallery search function combining NextGen Gallery and Justified Image Grid

By combining the free version of NextGen Gallery, which does not have a search function, with the inexpensive Justified Image Grid, and writing a little code, you can achieve a full gallery search function and a search box using a widget.
2024.02.03
Wordpress
DIY

Tr Tester Duoyi DY294 repaired

This page shows how I could fix broken DY294 by reverse polarity power supply. It works for over-voltage damage, too.
2023.06.10
DIY
DIY

DIY Tr/FET Tester completed

According to the cirduit design finished in below link, I have just finished assembly of Transistor/FET tester (hFE measurement device). It can fix the Emitter current (Source curr…（Read more）
2022.04.18
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）
2021.10.14
AirplaneMuseum
DIY

DIY Tr/FET Tester, ultimate hFE/Vgs/IDSS measurement device

I built ultimate hFE tester. I gathered many good ideas from internet and made up the best version I could imagine. It enables measurement of hFE under constant emitter current. This achieves also Vgs and IDSS of FET measurement.
2021.10.10
DIY
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