| It is often desirable to know at a glance whether the mains voltage is at the low side; for instance, when you are about to work on a comput...
| It is often desirable to know at a glance whether the mains voltage is at the low side; for instance, when you are about to work on a comput...
| elektor July august 1985 it+044.1 11 brake lights monitor R Kambach The circuit described below monitors your car"s brake lights, and indica...
| In almost any equipment in which a reasonable amount of energy is con- sumed, there is bound to be at least one heat sink that enables power...
| gotamilir Many railway modellers would love to have a track monitor panel, but, unfortunately, the few commercially available types do not j...
| computer eye elektor june 1985 This photograph shows our prototype of the "computer eye" and, in the background, the LDRs fit- ted in shrink...
| automonitor elektor may 1985 displays the most important information a driver needs to know "A driver"s multimeter" is one possible descript...
| use your TV-receiver as a monitor... elektor november 1984 from an idea by C.G. Mangold ...with this versatile amplifier Figure 1. This is h...
| Iwo Energy saving is rightly popular: it does not only save you money, it also makes our natural resources go further. The Government has fo...
| with LED indication One of the largest annual expenses for most home owners is the fuel for the central heating. Apart from keep- ing the ho...
| july/august 1984 big brother is watching you . . . This monitor circuit is based on the MC 3424 power supply supervisory IC. It provides two...