We found this circuit in an old Mullard (Philips) documentation on the 555 and 556 integrated circuit (double 555). The relay must be 12 V with contacts that support the horn current.
This circuit generates circles on the screen of an oscilloscope. The circuit is from old...
This very low resistance meter was found in the February 1995 issue of Electronics Now magazine. The...
This switch can only be triggered when the mains voltage goes through zero and can operate as a...