| Proliferation of mobile phones is already a fact, but worldwide mobile telephone communication has become possible only with the advent...
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| When the SDA (Serial DAta) lines on both the left and right lines are 1, the circuit is quiescent and optoisolators IC1 and IC2 are not...
| A small audio test generator is very useful for quickly tracing a signal through an audio unit. Its main purpose is speed rather than re...
| The humidifier circuit is based on a special humidity sensor Type NH-3 from Figaro. Depending on the sensor output, the circuit drives a...
| In a situation where we have two or more computers which exchange large amounts of data, share a printer and are separated by 10 metres or...
| New and very unwelcome on the Internet are traders who secretly collect personal data on web users. The tiniest amount of personal in...
| The term ‘computer hobbyist’ brings to mind the image of a lonely father sitting in a spare bedroom, typing cryptic machine-language code...
| Some of the most likely causes for the increased demand for ISDN connections are the wider acceptance of fax machines for private use,...
| Ferranti's ZN426-8 is an 8-bit monolithic digital to analogue converter containing an R/2R ladder network with precision bipolar switche...
| Those Engineers Ud are regular advertisers in this magazine and weil established as developers and suppliers of simulation programs fo...