0

Dimming compact fluorescent lamps, and not only…

The author offers several options for lighting dimmers for compact fluorescent lamps, adjusting element in which - the power FET. Compact fluorescent lamp (CLL) - discharge light source, wherein an electric discharge in the glass tube (flask) mercury vapor or its compounds… Continue Reading

0

Shutter device larger time intervals

The author offers the readers a few simple time delay devices available parts. These devices - analogue of timing with RC-chains. They applied schematics, allowing to increase the duration of time intervals generated. Figure. 1 is a diagram of a simple time relay, collected on… Continue Reading

0

Non-standard use of computer power supply

In amateur radio practice often necessary to compact and lightweight power supply with an output current to 20 BUT, when the voltage on load 5…15 AT. About tom, how to transform a standard computer into a source IP, described in this article. powerful source… Continue Reading