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 ... 09.09.2019 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... 16.07.2019 DIY
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... 27.05.2019 DIY
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... 27.05.2019 DIY
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... 27.05.2019 DIY
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... 06.05.2019 3D CAD3D printerDIY
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... 04.05.2019 DIYFood / Drink / liquor
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... 04.05.2019 Consumer electronicsDIY
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... 30.04.2019 Consumer electronicsDIY
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 ... 30.04.2019 3D CAD3D printerConsumer electronicsDIYFood / Drink / liquor