This circuit of a 1964 Electronic Design uses a photodiode from the time. Modern equivalent can be used. The standby current is 1.2 mA.
This circuit was found in a Radio Electronics from June 1967. The regulator is suitable for power...
This complete video game circuit was found in the May 1978 issue of Radio Electronics magazine. The...
This circuit sequentially drives loads connected to its outputs or even applies the signals to the...