This circuit is used to test triacs. It can be connected in series with a resistive load such as an incandescent light bulb. The circuit was suggested by Electronics Now magazine in November 1999.
This circuit was found in a 1970s General Electric documentation. Transistors are uncommon today....
When the lights turns off this circuit will produce a sound like a cricket. When the lights are...
Found in National Semiconductor documentation this circuit converts a rectangular signal into an...