This circuit is from the 80's, using an integrated of the time. The circuit serves as a reference, as this type of dialing is no longer used today.
This circuit is from an American 1964 documentation. Transistors of the time are used, but modern...
August 2016 - Mouser Electronics is already providing new MKR1000 Arduino board, a practical...
This 8-bit converter was found in an American 1980s documentation. Motorola components are...