This circuit was obtained from Elektor magazine and published in the Encyclopedia of Electronic Circuits Vol 5 of 1995. Transistors are RF types that are still common today.
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...