This circuit uses the SQ3524, a switching integrated circuit. The circuit was found in the April 1991 issue of Radio Electronics magazine.
This very simple circuit must use coal microphones of the type found in very old equipment. The...
We found this circuit in the November 1974 issue of Radio Electronics magazine. The circuit has a...
July 21, 2015 - Mouser Electronics, Inc. is now shipping the Curiosity Development Board from ...