How to make a cotton switch with your own hands. Schemes and video instructions for assembling an audio relay for controlling lighting on the pop.

3 ways to make a light through switch do it yourself. How to assemble a loop-through model of a circuit breaker from a conventional push-button switch, intermediate relay.

How to make a soldering station with your own hands. Scheme and video examples of assembling a homemade soldering station at home.

How to make a motion sensor with your own hands at home.Video instructions and assembly diagrams of a simple microwave and thermal motion sensor.

How to make a temperature controller with your own hands at home. Assembly diagram of a simple temperature controller for transistors and a TL431 chip.

Instructions on how to make a time relay with your own hands. Schemes and video tutorials on assembling a homemade timer at home.

How to make a dimmer with your own hands on 220 and 12 V. Assembly schemes of the dimmer, instructions and photo examples. Simple dimmer on thyristors, triac, microcircuit.

Simple ways to make a boiler with your own hands at home. Assembly instructions for a home-made boiler from two blades and a heater from a kettle.

An article on how to make automatic gates with your own hands for a garage and a fence. Video ideas for creating swing and sliding gates with remote control.

How to make a transformer with your own hands from improvised tools. Formulas for calculating parameters and winding technology of a makeshift transformer.

Arduino combination lock circuit. The principle of operation of an unusual castle, as well as the code with which it will work.

Ideas for making a do-it-yourself wind generator at home. Photos, diagrams and drawings of homemade windmills. Video tutorials on assembling a wind generator.