General Electric suggests this circuit in an 80's documentation. The circuit makes use of PUTs that are not common components today. Note the timing components that may change.
In the figure we have the way to configure a control for incandescent lamps with full wave control...
For greater safety, a 140-ohm resistor must be included with the instrument in to avoid...
This simple three-LED sensor uses an NTC at the input. The circuit is based on an uncommon...