| protects your car battery Who has not at one time or another forgotten to switch off his car"s lights on a murky morning? That is not much o...
| protects your car battery Who has not at one time or another forgotten to switch off his car"s lights on a murky morning? That is not much o...
| lektor july/august 1983 45 car lights warning device L.1 Anyone who has ever forgotten to switch the car lights off, after having driven in...
| There are many different designs for alarm circuits which remind the motor-ist to switch off his lights before leaving the car. The advantag...
| It is often the case that the first a motorist knows of a failure in one of his car lights is when his attention is drawn to the fact by...
| This circuit is designed to give an audible and visible warning to the absent-minded motorist who forgets to switch off...
| The IC 555 is normally used as a timer. The time delay for these applications is obtained by charging and discharging a capacitor betwe...