This circuit is from a Radio Electronics from August 1992. The transistor used allows the control of motors up to about 5 A. It must be equipped with a heat sink.
This traditional configuration with the 555 was obtained in an 80s Hands-On Electronics. The relay...
This circuit found in 1969 Popular Electronics is used to power a gas laser. The circuit produces...
National Semiconductor suggests the figure circuit for stabilizing the peak value of an...