We found this circuit in a 1967 RCA SCR manual. The circuit uses components from the era. The bridge diodes must withstand the current of the controlled load.
This configuration for switching signals uses only common general-purpose diodes such as 1N4148. The...
This digital electronic game circuit was found in a 1982 publication. It randomly draws the...
This version works in the opposite way to the previous one, activating when the light falls on the...