This circuit is from a 1966 NASA documentation. The circuit uses a photodiode as a sensor. The other components are from that time.
Found in a Hands On Electronics from the 90s, this circuit can be easily assembled today, as the...
I found tis circuit in na old documentation from 1958. The circuit uses germanium transistor...
This is the basic configuration of a CMOS 4027 integrated circuit as a flip-flop. The circuit can...