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Automotive miscellaneous circuit diagrams

Speed-limit Alert
Speed-limit Alert
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]

Park Aid
Park Aid
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]

Economy radar detector
Economy radar detector
November 2, 2010

This circuit uses a 1458 dual op-amp to form a radar detector. [more]

Audible Flasher Warning
Audible Flasher Warning
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

Automatic Windshield Washer Control
Automatic Windshield Washer Control
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

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

Car Lamb Failure switch [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]