This circuit can be used with 5 to 15 V sources and the zener diode must be chosen according to the trip voltage of the protector. The circuit blows the fuse when the voltage exceeds the zener value.
This power supply for those who want to feed and recover 5 ¼ floppy disks was found in the...
This circuit was suggested by General Electric in 1970 documentation. It makes use of a photo-SCR...
This circuit uses the LED itself as a light sensor to self-activate it. Thus, in the light the LED...