Found in an Electronics World of 1968, this circuit is indicated for applications in photography making the control of a camera aperture. The components are from the time.
This circuit with two operating modes was found in the September 1989 issue of Radio Electronics...
This circuit was suggested by old French documentation, but it can be used as a shield, in which...
This well-crafted speed game setup for two competitors was found in a 1998 Poptronics. The circuit...