Three-level voltage indicator on LEDs scheme – the name is very frightening not experienced radio amateur, but nevertheless “the devil is not as bad as it is drawn”. You can learn how to quickly and easily assemble an elementary voltage indicator by reading our article. LED indicator: It should be noted that this is a …
Read more Three-level LED voltage indicator circuit diagram
A beginner amateur radio operator simply cannot do without at least a simple power supply. When developing or customizing a device, a regulated power supply is an indispensable attribute. But if you are a beginner amateur radio enthusiast and can not afford an expensive tricked-out power supply, then this article will help you fill your …
Read more Regulated power supply on LM317 voltage regulator
Anyone who is engaged in tourism, fishing, or hunting has probably already found a lot of different ways to get fire to make a fire. But when camping, you need to be ready for any turn of events and quick changes in camping conditions. To warm up from a sudden frost or disperse the deafening …
Read more Camping candle
In modern agrarian economy there are a lot of all kinds of tools that are designed to make life easier for dacha owners and amateur gardeners. In my opinion, a lawn mower like a lox trimmer is one of the very simple, and ingenious inventions, capable in a matter of minutes, to turn your overgrown …
Read more Trimmer reel and fishing line filling with your own hands
It is important for every fisherman or tourist to have not only reliable but also comfortable camping equipment. Especially helps various kinds of folding devices. There is a very original design sucker for catching fish, which is not inferior to expensive devices, it is convenient, lightweight and easy to use. And the main thing is …
Read more Collapsible fishing pole
Watering plants is vital for their normal growth and development. Even the simplest and cheapest watering can, left on the bed for a short time, will help to simplify this procedure. But when the plants are already quite tall, they can prevent the dispersion of water droplets, so the watering can be finalized, using improvised …
Read more Refinement of the sprinkler
Disposal of garbage safe for the environment, one of the most pressing problems of modern problems. The solution of which will keep our environment clean and beautiful. We urge you to make every effort to conserve natural resources, but at the same time we give you a simple tip on how you can quickly burn …
Read more Waste garbage can for waste
It is quite difficult and not cheap to buy a good thermos. The proposed industrial versions of thermoses are not always convenient, so sometimes you have to improvise, making a thermos with your own hands. Especially since there is an alternative to the industrial product, and it is quite easy to make a good thermos …
Read more Thermos made with your own hands
There is a lot of debate about the effectiveness of LED-based phytolamps. It is desirable to have an artificial source of light useful to plants for growing seedlings in poorly lit areas. To test the effect of phytolamp on plants, it is not necessary to buy it, but can be made with your own hands. …
Read more Phytolamp
Every radio amateur faces the problem of not having the necessary amount of radio parts to store. And it can be quite expensive to buy special cassette holders. And at such moments comes to the aid of operational ingenuity, imagination, ingenuity and our site. Convenient cassette for radio parts can be made of any improvised …
Read more SMD cassette with your own hands