Most visited posts this week
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I) Presentation : The problem of signal transmission by audio frequency electromagnetic wave led in recent years of practical arrangem... -
With a PWM controller, this board allows very fine adjustment of the energy supplied (and thus the speed of rotation of the axis) to an...
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An aluminum, two wheels and of course a touch of electronics and the game is done! A group of students electronics has put into practi...
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Inserted into a set of closed circuit television (CCTV), or simply connected to a mini-CCD camera, this device allows to inexpensively det... -
This device is a generator based on the voice audio chip from Holtek HT8950, when talking into the microphone, the voice from the loudspeake...
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Figure 1: Diagram of LED electronic clock. If you have at your disposal in a bottom drawer of the few integrated circuits making up t...
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I have a small company whose premises consist of two long wings of the building and everything is served by three entries spread: Well ...
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How is it possible to power an LED with high brightness, the conduction voltage of 3 V with 1.5 V battery? That is what this article will te...
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We will present an economic system for remotely controlling any device, whether electrical or electronic. Its originality lies in its unus... -
In our last issue we promised you a description of a micro-UHF, companion of the micro-transmitter controlled by voice. It is this micro-r...