Found in 1965s General Electric documentation, this circuit is intended for the control of servos connected to the power grid. Equivalent modern components can be employed.
This circuit was obtained in a technical publication from the 1970s. It fires a diac and thus a...
This circuit has a very high input resistance to excite a 0-1 mA indicator instrument. The FET...
With this circuit it is possible to use a common hair dryer as a hand dryer. The circuit is timed...