This is a hand made acoustic water leak survey device, the equipment which
looks for the leak part of underground piping.
This is a making of small power electric welder.
Electric power is stored to a capacitor over time, and is discharged momentarily.
The measured maximum shutter speed of S95 is faster than 1/4000.
The photo is shot the ring counter 100 LED at 300kHz shfting.
The S95 seems not suit for focus stacking inside the camera, though it is expected with S100.
This is very popular DIY.
I made a LED light with boost voltage constant current driver.
And light it from the battery power charged by solar cell.
I know Compaq NX6120 is very old model and I think there is no person who will repair this.
I make this content to show a way of how to repair the mother board.
It is the record of struggles which was going to revive the lost fine rhododendron.
If it is a correct answer which is referred to as
"Not being acidity if even ferrous chelate is given plentifully",
the width with other plants which uniting plants will spread.
It is an attraction of Anomala albopilosa by using purple LED.
This work is the same as that of an LED light.
Not translated, and will not, because there are many information in many
English web site.
In Japan, the vertical concrete is a secret technique within some plasterer family.
This content is to show some free information in English world to Japanese DIY people.
Photos shows the basic structure of my infrared thermography.
The radiant heat is collected by the parabolic mirror to the thermal color changed surface. The surface can be seen through the hole of mirror.
The color change at 60 degree Celsius of target temperature.
I made a kind of axial air gap generator.
To reduce a magnetic resistance, I use the core in the coil.
To reduce cogging torque, I select the numbers of each magnet and coil.
For converting from many phase to d.c., I use full-wave voltage doubler.
Not translated. And may be not. My conclusion is that the vacuum deposition
is not suit for DIY, because it seems to use a used Turbo Molecular Pump
and it is very dangerous when in failed. Very heavy parts disperse at high
speed. If a used TMP is used, the probability of this failure will become
high by leaps and bounds.
This is the perfect DIY of make believe (fancy DIY).
I make a plan of DIY of water jet cutter.