We found this circuit in an article that describes several alarms that are in the sequence in our section. The article is from the Radio Electronics magazine of May 1971.
This electronic soldering gun circuit was found in the December 1998 Electronics Now magazine. The article...
This circuit uses only passive components and must be tuned to the operating range. The circuit is...
This is a very simple configuration with a power transistor to control a DC motor from 3 to 12 V...