Found in old documentation, this circuit uses an SCR like the TIC106 that must be equipped with a heat sink. The motor can be up to 3A.
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...