This video game that we published at the same time the full article in the magazine Eletrônica was also found in the magazine Radio Electronics of January 1979.
In fact, we can say that this circuit found in documentation from the 90s, consists of an intercom...
The basic integrated circuits of this 1988 multimeter are no longer very common today, but if...
This circuit is from an old publication of the 70's. It can be implemented with modern transistors like the...