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.
This very old circuit, from a publication from the 1970s, uses a germanium transistor and two...
In the figure we have a very sensitive touch switch circuit. A touch of the sensor causes the...
In fact, we can say that this circuit found in documentation from the 90s, consists of an intercom...