The usual chargers of battery automotive, are simple and cheap appliances that charge continuously the battery, with a rythm of few amperes, for the time where the appliance is ON. If the holder do not... [more]
When we step on the car' s brake, then together with the classic rear STOP ,the third STOP which is situated in the middle of the back half of the car also switches ON. This... [more]
The circuit, is a comparator, can measure with step of 1Volt, the voltage of battery of car. The clue of voltage become after comparison of voltage of battery, that is applied in the inverting inputs... [more]
A useful operation for the cars is delayed extinguishing internal lighting cabin of passengers, after close some door of car. Certain cars allocate this operation from their constructor. Oldest sure do not allocate such operation.... [more]
A simple but useful circuit for all they have problem with parking car, in spaces without good visibility. [more]
With graphic equalizer we make selective cutting off or boost, of selected departments of acoustic spectrum. With this way we can adapt the musical reproduction, in the characteristics of space where we hear. This can... [more]
The series STK40xx is power amplifiers in completed form in a nutshell. They are characterized by the very good quality of sound and their low price. It is easy we make a power amplifier using... [more]
The Electrocompaniet 2 Channel Audio Power Amplifier [more]