According to observations of the author of the article service life of compact fluorescent lamps (CLL) little affected by the frequency of their inclusion / off a much greater dependence is observed by manufacturing quality lamps themselves. some CFLs, Switch on and off ten times a day, There are 3…5 years old. other… Continue Reading
According to the rules of the regatta, before its start must be running countdown. Typically, for preparation for the start of motion competitors withdrawn 5 or 10 min, after which the next command "Start". It is for a five-minute countdown interval prelaunch… Continue Reading
On the PIC18F252 microcontroller can be assembled space-saving and cost-effective device, allows you to play any sound, digitized and recorded in the program memory of the microcontroller. for example, toll. The scheme shown in Fig Device. 1. In the memory of the programming software load buffer work program, which will take into… Continue Reading
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
It offers the readers the device allows you to turn on and off load the finger touching the touch contact: lamp at a first touch activated, next - go out. Load device can be incandescent lamp to 100 W. Energy saving compact fluorescent (CLL) or LED lamp.… Continue Reading