We found this circuit in an old Mullard (Philips) documentation on the 555 and 556 integrated circuit (double 555). The relay must be 12 V with contacts that support the horn current.
Figure bellow shows how n flip-flops can be associated to perform a shift register. Data is...
This circuit is designed to be wired to the input of audio amplifiers or preamplifiers. Since it...
The circuit presented shows how to use a diode in temperature compensation of a push-pull output...