This circuit, suggested by an Electronics World of 1969, keeps a blinking LED for a while when a power outage occurs. Time depends on capacitor C1.
This circuit is from a 1967 General Electric SCR manual. The circuit supports other SCRs depending...
Found in an Electronics World of 1968 this circuit can use any SCR and diodes depending on the...
The purpose of this circuit is to re-trigger slow scan circuits used in the 1980s on low frequency...