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TECHNOLOGY

How to make a mini bug robot

Hello my dear friends! In today’s video I’ll show you an interesting idea about how to make a bug robot! What do we need for making it? First of all we need two 3 mm LEDs, two pieces of the cooper wire of 7 cm long, a vibrator that you can take off from a

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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

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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

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How to make a simple color music

Hi everybody! My name is Roman. In today’s video I’d like to show you how to make a simple color music. First, we need speakers. I’m going to use 2/1 system – there are two stereospeakers and a subwoofer. Then, glue pistol, nippers, screwdriver, flux, solder, solderer, electric screwdriver with the drill of 3 mm,

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USB modding – a port for an old keyboard

Hi my dear friends! Today I decided to make a modding of my keyboard adding a USB port. As many say that the forward ports aren’t safe, because flash drives often burn out. As for me it’s not convenient to use an extension cord, as the wire always hangs down or sticks up, bringing inconveniences.

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How to make a monopod – a holder for selfie

Hi guys! Today I’d like to show you how to make a monopod. As for me, I’m tired of making videos for the second channel at arm distance, because there’s only a face visible on the screen, which looks not very nice. By the way, if you are not subscribed to my second channel, welcome

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How to make a hydrogen generator part 2

Now we take wires and solder after one blade. Connection scheme is the same as the accumulator plates connection scheme. To help you with that scheme I’ll attach a photo in the left hand corner of the screen. Well, the hydrogen generator is ready. Let’s charge and test it. We’ll charge it with a simple

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How to make a machine for soda water

Hello everybody! Recently, in one of the Chinese Internet-shops I saw an interesting device for making soda drinks at home. This device costs approximately 8-10 dollars, but the construction is very simple and we’ll try to make it with our own hands. First we need two syringes 5 ml, a piece of pipe or you

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How to make a mini fountain-stream

Hello my dear friends! Roman is here with you as usual. In today’s video I’d like to show you how to make a mini table fountain, we can even call it a small stream. First of all, we need a LED tape, a mini water pump, which we had made previously. You may watch it,

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How to make a mini air conditioner, humidifier, air cleanser

Hi guys! In today’s video I’d like to show you how to make a mini conditioner + air humidifier at home. First, we need a siphon pipe, which you may buy from a construction shop, computer cooler and its power supply. I will use a power supply from a screwdriver for 15V, there’s a difference

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