This multiple switching power supply was found in the April 1991 issue of Radio Electronics magazine. The MOSFET must be equipped with a heat sink.
With the coded activation of the relays, it is possible to control which of the 16 outputs...
The integrated circuit used in this application is not very common. Transistors and resistors...
This simple circuit makes use of neon lamps to indicate the voltage of a power grid. The lamps are...