This switch Christmas garlands periodically includes four groups of lamps. The switching frequency can be changed within wide limits by the variable resistor R5 (see diagram).SPOON DRILLS…
And burned out a soldering iron can still serve as the house master. Disassemble its case, and you will receive the first drill bit for drilling large-diameter holes in wood and plastic parts. The narrow shank of this “drill” (in common parlance called a spoon) allows you to insert it into the Chuck of an Read more…
When the son has grown up and it “passed” already five to ride on a sledge from a hill he lost all interest. He needed a new more dynamic entertainment. Remembering the scooters of your childhood, bent from metal rod or pipe and allowed to roll only on compacted snow or ice crust, I came up with their new, more modern and “all-terrain” option, so you can ride even on soft snow.
a deep fascination with the technique came to me in youthful years, when he began not only to repair the scooter, but to collect them from different old parts. Then, growing up, over to the motorcycles, have altered their own way: faced on your own taste (the word “design” then in my everyday life were not), made easier, more fashionable, more powerful, more comfortable.
Thanks to the “Modeller-designer” I’m still at school became interested in technical creativity. Three-wheeled all-terrain vehicle is one of my latest designs. It used the engine from a motorcycle “IZH-Planeta”, equipped with a fan, differential — motorized С3А, fuel tank (located under passenger seat) — from scooter “Electron”.
Simple dual-band receiver of direct amplification on a hybrid chip К237ХА2 can collect even a novice hobbyist. Moreover, the sensitivity and selectivity it even higher than the equivalent discrete components. And to make it easy.
The Creator of light tanks. After the victorious conclusion of the great Patriotic war of the Soviet airborne connection in June 1946 he was separated from the air force and became an independent native troops subordinated directly to the Minister of defense of the USSR.
What would be a good tool or even the machine had craftsman in the house, just drill a hole or accurately process the workpiece by holding it with pliers, and even more in the hands of, quite frankly — impossible. Therefore, in the Arsenal of anyone, even a beginner DIY enthusiast, there is Vice. However, and this adaptation is not always thus, what is required, especially when high dimensional accuracy of the parts, strict parallel, or perpendicular to its surfaces, etc., etc.