| A wireless operated power point is described to help an elderly person switch off a lamp while in bed.
More about Switch (454)
| Most DVM modules are based on the well-known ICL7106 IC. They operate from an ordinary 9-V battery, and they only provide a fixed measuring...
| This circuit can be called using your mobile or a regular telephone set (with DTMF keys) and after passing some procedures, you can control...
| In most countries it is now mandatory or at least recommended to have a rear fog light on a trailer with the additional requirement that, wh...
| This light dimmer has been especially designed for use with fluorescent lamps (FLs). The circuit contains only a few components and can be b...
| We use a 6 V lead-acid battery as our source of energy, and a Luxeon 3 W LED as our light source. VCC therefore lies between a minimum of ar...
| The switch-mode power supply unit (SMPSU) is renowned for its efficiency but notorious for its design complexity, compared with its predeces...
| Switch Mode Power Supplies (SMPS) are often too quickly put aside because of their complexity. This article presents an overview to SMPS tec...
| Significant improvements in sensing algorithms and control circuitry have expanded the suite of applications in which capacitive sensing tec...
| Energy Saving may well be a must-have feature for home entertainment products sold today but there are still millions of older and even not-...