Found in the documentation on PCs, this circuit excites LEDs whose current is determined by R3.
This stage was found in a 1964 Electronic Design. The transistors are of the time and the shape of...
The figure shows how to obtain clocks in phase opposition using the 4013 IC. The circuit is from a...
This circuit was found in a 1977 publication, but it can be easily assembled, although unijunction...
