This circuit is from a 1980s Motorola documentation. The circuit can be made with modern equivalent components. The original circuit is for the 115 Vac (110 V) grid and has two settings.
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...