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Automotive circuit diagrams
January 16, 2011
In the circuit, a quad voltage comparator (LM339) is used as a simple bar graph meter to indicate the charge condition of a 12 volt, lead acid battery. A 5 volt reference voltage is connected... [more]
December 13, 2010
Driving the highway with your high-beam headlights can really increase your visibility, but can he a blinding hazard for other drivers. This simple circuit can be wired into your headlight switch to provide automatic switching... [more]
December 9, 2010
This circuit uses the popular and easy to find LM3914 IC. This IC is very simple to drive, needs no voltage regulators (it has a built in voltage regulator) and can be powered from almost... [more]
November 19, 2010
This circuit has been designed to alert the vehicle driver that he has reached the maximum fixed speed limit (i.e. in a motorway). It eliminates the necessity of looking at the tachometer and to be... [more]
November 18, 2010
This circuit was designed as an aid in parking the car near the garage wall when backing up. LED D7 illuminates when bumper-wall distance is about 20 cm. [more]
November 8, 2010
This device is a simple timer, allowing to keep on the headlights of your vehicle for about 1min. and 30sec., e.g. when accessing some dark place, without the necessity of coming back to switch-off the... [more]
November 2, 2010
This circuit uses a 1458 dual op-amp to form a radar detector. [more]
October 1, 2010
If you’re a biker or scooter rider you’ll know how easy it is to forget to cancel your flashing indicators after turning without an audible reminder. Constantly glancing at indicator lamps is hardly an option;... [more]
circuit from:http://www.extremecircuits.net/2010/05/audible-flasher-warning.html
September 27, 2010
Most, if not all, recent cars have an impressive amount of electronics, whether it be ABS brake systems, engine control with injection calculators, airbag activation, or other various functions, called comfort functions. Among them is... [more]
circuit from:http://www.extremecircuits.net/2010/05/automatic-windshield-washer-control.html
September 27, 2010
This i-TRIXX circuit can prevent a whole lot of trouble for those of you who go on holiday in a caravan. It would be a significant damper on your holiday spirit when you are ready... [more]
circuit from:http://www.extremecircuits.net/2010/04/battery-indicator-circuit-for-caravan.html
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