This circuit was found in a 80s American documentation. The zener diodes determine the points of action of each stage and the transistors can be general purpose types.
This electronic ignition circuit uses a new component at the time, the Ignistor, a transistor with...
This timer is characterized by its simplicity and the fact that it does not need a relay, being...
We found this circuit in an English documentation from 1968. The circuit draws a number from 1 to...