If a barrel is poured in the vegetable garden or cistern in the shower — the water level in them will tell you a simple water-measuring device consisting of a Styrofoam float and stuck to his line or rod with the labels. For greater stability of water-measuring devices are required on the barrel to put the bar with the guide bushing.
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TO HELP MUSIC LOVERS
Widespread, cassette radio. Storage cassettes make a simple stand as shown in the figure.
“THE FIREBIRD” ON THE LEDS
A souvenir depicting fairy-tale "the Firebird" with the use of LEDs, can make even novice hams. The details of the electric circuit, except the LEDs are placed inside a plastic soap dish...
