How to make a splitter

Hello my dear friends. Roman is here with you as usual. The other day I decided to watch an interesting movie, but unfortunately, I couldn’t play it loud, as I wasn’t alone in the room. That moment I’ve got an idea to make an extension cord for headphones to watch films laying in bed, instead

How to make an electric toothbrush

Hi my dear friends! In today’s video I’d like to show you a great idea of how to make an electric toothbrush. In order to make it, we of course, need a toothbrush, a small battery, a vibro-motor, which you can remove from an old cell-phone, a switch and a few wires. We have to

How to make a temperature controller for solderer

Hi! In today’s video I’ll show you how to make a stand with a temperature controller for solderer. First, we need a switch with resistor, you can buy it approximately for $4 and more. The price depends on quality. Note that it is on 220V, because there are the same switches for 12V. We also

How to get electricity from potato

Hi! Today I decided to try to light up a lamp with potato. We need a potato, two types of nails – copper and zink ones, connecting wires and a lamp. Let’s look what result would be. We’ve got a tester on the table, I took it to show you how much electricity can be


How to make a mini gun with a syringe

Hi everyone! Roman is here with you as usual! Due to the fact that we haven’t seen mini gun manufacturing videos for a long time, I decided to show you how to make mini potato gun with a simple injection syringe. First we need two syringes: one should be for 50 ml and the second

How to make a mini electric shocker

Hello my dear friends! As usual, Roman is here with you. I read all your comments and suggestions, but unfortunately, physically I cannot manage to answer to each one of you. The most popular suggestion is to make a mini electric shocker with your own hands, even a weak one to play a joke on