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 line protector circuit was found in a 2002 documentation, but it is totally current and...
This antenna for the frequencies 146 or 440 MHz was found in a magazine 73 for Amateur Radio of...
With this circuit it is possible to increase the output voltage of a 7812 regulator. The circuit...