DIY Improvement of self-made foam gun → failed
I tried to improve the self-made foam gun in order to finish the car wash sooner. Use two pumps to double the amount of ...
DIY
DIY DIY Braava’s failure
I was using iRobot's Roomba and Braava, but Braava was broken. I have broken it, so that record. First of all, when I us...
DIY Regulator purchase problem in self-made carbonated water making kit
I think few people can easily buy a regulator. In Japan, it is sold in monotarou, but the price is quite high. Consideri...
DIY Self-made carbonated water kit completed (cost about 4,000 yen)
I got a regulator and a carbon dioxide gas cylinder, so a self-made carbonated water kit was completed. The cost was a l...
DIY Material cost and purchase destination link of self-made carbonated water making kit
Maybe I can introduce the cheapest pattern of self-made carbonated water kit. The kit actually made Cheapest combination...
3D CAD Filter connection for indoor ventilation
I want to open the windows and ventilate, but I don't want to open much because the air in Tokyo is dirty.Pollen also co...
DIY Make carbonated water
I like alcohol. The first is wine, the second is spirits, the third is whiskey, and the fourth is beer. In the second an...
Consumer electronics Major remodeling of self-made air purifier
I greatly remodeled the air purifier I made last time. The planned modifications are the following 3 points. 1. Boost to...
Consumer electronics Operating time measurement of self-made air purifier
The 12cm fan I bought is 0.25A at 12V, so I can use it most efficiently if I have a 12V AC adapter. But I wanted to mobi...
3D CAD Motorizing choppers
Every time I used a kitchen knife, it was cumbersome to chop, so I bought a chopping cutter. Certainly it was easier to ...