This circuit supplies a load at SO1 when the load at SO2 is powered. The circuit is from a Popular Electronics from the 90s. Diodes and triacs must match the loads.
This circuit, suggested by an Electronics World of 1969, keeps a blinking LED for a while when a...
This is a Philips commercial circuit from the 90s. The integrated circuit must have a good heat...
This circuit converts a signal from any waveform into a rectangular or square signal of the same...