This circuit can flash for up to 30 months using alkaline batteries as shown in the table next to the diagram. The circuit is from a Radio Electronics from January 1992.
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 ...