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 circuit, found in 1980s documentation, produces a rectangular signal of the same frequency as the...
The purpose of this circuit from a 1995 publication. Its purpose is to alert a person when he...
This simple transmitter for the citizen range was obtained in a 1983 publication and has only one...