The transistor used in this circuit is uncommon today. AC124 or equivalent such as AC188K and 2N2431 can be used. The circuit is from the 80's and makes use of transformers.
This circuit has some differences from the conventional types of control in which the delay in the...
June 2016 - It can be obtained from Mouser Electronics this new chip for motor control, motion,...
This circuit was published in an English magazine from 1980. The magazine no longer exists, but...