This circuit is from a 1980s Motorola documentation. The circuit can be set to fire from 60 to 120 V DC or from 42 to 84 V AC. The circuit has a forehead button that activates an indicator lamp.
June 2017 - In its huge line of available components, Mouser Electronics highlights the new...
The circuit below was found in the March 1990 issue of Radio Electronics magazine. The circuit...
This transistorized astable for LEDs was found in the January 1992 issue of Radio Electronics...