All items tagged with Switch and Design (16)

1-12-2008 | The LM335 is a low-cost temperature sensor with a range of –40 +100 degrees celcius. In this circuit, it is used to show whether the outside...

1-04-2008 | Significant improvements in sensing algorithms and control circuitry have expanded the suite of applications in which capacitive sensing tec...

1-09-2007 | The circuit described here is designed for use by laptop or notebook computers. It will automatically switch off all mains powered periphera...

1-04-2006 | If you want to apply computer control to a solenoid valve or another DC load there is no need to start looking for an expensive measurement...

1-04-2006 | The switch-mode power supply chosen by the author for this article is built without the use of special-purpose ICs and so can be completely...

1-12-1999 | Current personal computers with an ATX motherboard are not provided with a switched mains output socket. It is therefore no longer possib...

1-12-1999 | One way of designing a programmable amplifier is placing a HEXcoding switch in the feedback loop of an operational amplifier (op amp). A 1...

1-12-1999 | The switch controls two relays, one, Re1, for turning the toilet light on and off, and the other, Re2, for turning an extractor fan on an...

1-07-1998 | A National Semiconductor Application switching power supply whose output voltage is appreciably lower than its input voltage has an int...

1-03-1997 | To design a battery charger with switching regulators you need quite a few flat batteries and the patience of Job. When you come to c...