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 detects the phase of a signal. As it is a TTL circuit, it must be powered by a...
This oscillator for practicing code with a transistor was found in Popular Electronics. The...
This high-power flasher for incandescent signaling lamps was found in a 1980s General Electric...