This game was found in an old Popular Electronics. The unijunction transistor can be 2N2646. The supply can be done with voltages from 6 to 12 V.
Found in old English documentation, this circuit simulates a diac and can be used to trigger...
This circuit was obtained from a Radio Electronics from October 1963. The 4 transistors must be...
This didactic circuit was found in a 2001 documentation. It presents the result of programming in binary...