This electronic soldering gun circuit was found in the December 1998 Electronics Now magazine. The article it appeared in featured an electronic triac control.
This nonlinear gain circuit was found in a 1965 Electronic Design. The configuration can be used...
The presented circuit causes an LED to flash with voltages of 85 to 200 V continuous and has a low...
This commercial earphone receiver was manufactured in the 1960s in Japan. It was powered by a 9 V...