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Finder to search for model rocket

This article describes a simple device, allows to organize search landed models of missiles and other objects, equipped with beacons. In it are used ready-made radios to the frequency of 433 MHz. A modulating signal shaper beacon executed on the microcontroller ATtiny13A–COULD. The receiver has a simple directional antenna and telephone… Continue Reading

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Two lighting control device

Automatic light switches on the basis of human presence sensors are very useful in terms of energy savings. The article presents the results of the author's work on his own designs of such devices. The basic idea was to develop the application in automatic light switch single module with microcontroller… Continue Reading