| This monitor is used by the author to guard the microprocessor in his PC. The temperature sensor is a resistor, Rq, with negative temper...
All items tagged with Time and technology (303)
| This circuit shows how a regular 4-bit binary munter may he extended with an upidown function just by adding four XOR (exclusive-OR) gat...
| The interesting point of this circuit is that a D-type histahle is used as an inverter. When the level at the input changes from high to...
| The strong point of the recently puhlished 'surround-sound subwoofer' is that its frequency response is straight down to 20 Hz. Such exc...
| The proposed circuit indicates with the aid of two LEDS whether or not the input signal contains surround data. The criterion for this i...
| The signal-controlled switch actuates or deactuates a.f. equipment, including preamplifiers, power amplifiers, and filters. It is partic...
| In many countries, there is a legal requirement for can and motorcycles to have lights on whenever the vehicle is moving. In even more c...
| This circuit is based on the well known LM350T voltage regulator from National Semiconductor, and largely follow the standard application...
| There are quite a few applications of an audio power amplifier in which power and hi-fi characteristics are of secondary importance. If, for...
| This little circuit may help to prevent costly disasters caused by overheating of semiconduction fined on heat sinks, to mention but one...