battery protection - Don't let your battery leave you in the dark

4-08 — elektor april 1980 battery protection Don"t let your battery leave you in the dark Forgetting to turn off the headlights need no longer be a motorist"s nightmare. The circuit described here is designed to monitor the battery voltage and switch off the lights automatically in all kinds of motor vehicles. Since driving has become as essential to everyday life as it is expensive, the introduction of such a circuit into your car will no doubt be an "intelligent" solution. The dashboard of an up-to-date car displays such an array of push-buttons and switches that the driver sometimes feels he is controlling an earthbound rocket instead of a workaday auto- mobile. Small wonder that is difficult to remember to switch them all off! Unfortunately, many of them regulate battery-run equipment and, especially as far as the headlights are concerned, a moment"s forgetfulness could mean a long walk home on a cold night. (For people living in Yorkshire this might be quite a problem!) How...