This SCR circuit is intended to control an AC load with a low current switch. This switch can be a reed sensor. The load depends on the SCR.
We found this simple transistor tester in a French publication in 1981. It uses a common analog...
Who is faster? or reaction game are other names for this circuit that we find in old...
This circuit is from an 80's component manual. The components are from the time, but the circuit...