Tuesday, January 31, 2012
Universal remote control receiverMonday, January 30, 2012
A robot for beginnersSunday, January 29, 2012
A proximity detectorSaturday, January 28, 2012
A detector of magnetic fieldsFriday, January 27, 2012
A variable speed DC motorThursday, January 26, 2012
A detector of cell phonesMost visited posts this week
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This receiver can operate in combination with 9-bit encoders or 12 bits. It can read and memorize the codes automatically, through a pr...
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Here we use again a hybrid module Aurel to produce, with very few components around, a ray of radio on-off dual channel capable of work...
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This module display seven segment series giant to do everything you can (in combination with other platinum and a control) to set up tables ...
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Figure 1: Diagram of the detector of magnetic material. If you approach an object's magnetic core of Ferroxcube choke L1, the LED li...
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Capable of measuring ambient temperature of -50 ° to +150 ° C, it is not only suitable for home or office, but also for air-conditioned ro...
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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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Last month we offered you a video and audio-stereo scalable to 4 channels on 2.400, 427, 454 and 481 GHz. This article aims to let you ...
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This description provides a powerful micro-receiver, adapted to listen for transmissions on 433.75 MHz at a distance. It allows the activati...
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I) Presentation : The problem of signal transmission by audio frequency electromagnetic wave led in recent years of practical arrangem...
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This mini transmitter is on a printed circuit of just 4 x 9 cm which take up a high sensitivity electret microphone and a camera CMOS u...