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]
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]
This circuit uses a 1458 dual op-amp to form a radar detector. [more]
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
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
A simple but useful circuit for all they have problem with parking car, in spaces without good visibility. [more]