This circuit was found in a 90s Electronics Now. The maximum current is 1.5 A, given by the regulators. Regulators must be provided with heat sinks.
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...