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12V Car Battery Charger
12V Car Battery Charger
April 14, 2010

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]

Car Rear Flash STOP
Car Rear Flash STOP
April 14, 2010

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]

Car Lamb Failure switch
Car Lamb Failure switch
April 14, 2010

Car Lamb Failure switch [more]

Voltmeter with LED for car battery
Voltmeter with LED for car battery
April 14, 2010

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]

Dome Light Dimmer
Dome Light Dimmer
April 14, 2010

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]

Car Parking Indicator
Car Parking Indicator
April 14, 2010

A simple but useful circuit for all they have problem with parking car, in spaces without good visibility. [more]

10 Band Graphic Equalizer
10 Band Graphic Equalizer
April 13, 2010

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]

Power Amplifier with STK40xx Series Module
Power Amplifier with STK40xx Series Module
April 13, 2010

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
The Electrocompaniet 2 Channel Audio Power Amplifier
April 13, 2010

The Electrocompaniet 2 Channel Audio Power Amplifier [more]

HAFLER DH-200 Audio Power Amplifier
HAFLER DH-200 Audio Power Amplifier
April 13, 2010

HAFLER DH-200 Audio Power Amplifier [more]



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