This circuit has a sensitivity of 2uW. We found it in documentation from the 1980s. The integrated circuit is from that time. Equivalents can be tried.
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...