This circuit is from an American 1964 documentation. Transistors of the time are used, but modern equivalents can be employed.
This circuit was found in documentation from the 50's. The circuit uses transistors of the time...
This dual circuit was found in an 80s Siliconix documentation. The power source must be...
August 2016 - Mouser Electronics is already providing new MKR1000 Arduino board, a practical...