This circuit was suggested by National Semiconductor and is present elsewhere on this site. The LM2575 is not very common today and should be mounted on a heatsink.
In the standby condition, the consumption of this timer circuit is practically nil. The idea is a...
This circuit was found in the 1991 Electronics Experimenter's Handbook. It activates a relay when...
The purpose of this circuit is to detect whether a coil has shorted turns. The coil must be fitted...