Suggested by an Electronic Engineering, this circuit uses components of the time. Modern equivalent components can be used according to the motor current.
This circuit was obtained in a 1980 edition of Elementary Electronics a magazine that no longer...
This circuit converts the voltage from small fixed sources of 6 V or 12 V into 3 V for powering...
The circuit is from an old American magazine EDN of 1975, but can be mounted with ease with common...