In fact, it is a night light system that automatically turns on the outside lights when it gets dark and turns them off at dawn. The circuit only applies to incandescent lamps.
This is the typical circuit of a fraction watt amplifier for a small record player or portable 70's...
This circuit, which can act as a shield, is from old documentation, using a DAC of the time. Next to...
The Micro-Lock line of Molex connectors can be obtained from Mouser Electronics. These connectors...