Sawed out of plywood. Made a drawing. I cut it out on a plotter using a vinyl sticker. Glued and painted with stencil paint. I repeated the operation with another vinyl stencil. Made traffic lights from a cable channel. Traffic lights are switched on by a block of transistors controlled by Arduino. Made as an …
I made those glasses in December 2017
Small but fully functional laser cut plywood catapult.
I have found old Soviet radio with brand name “Selga” from 1970-x. It was not working. I removed all electronics and put in bluetooth receiver and speaker.
There is never enough space in the apartment. I thought that if you raise the bed one meter, then a volume will form under it that can be used to store stuff, which means you can get rid of one closet and there will be more space. These beds are not for sale, so I …
I found an inexpensive electromechanical latch. I really wanted to come up with some kind of game with it. I sawed out squares from plywood myself, put together a box. Plugged in the wire. The result was an old game: pass the ring without touching the contact wire. If you go from beginning to end …
Water meter has only 2 wires which are internally connected to the reed switch that closes once on each revolution of small wheel. That indicates that 10 liters has passed. I connected those 2 wires to esp8266 board and made a connection to my server for data collection. Node-RED server gets the data from esp8266 …