In article ,
Martin Brown wrote:
The canonical two terminal oscillator is the old bimetallic strip winker
for car indicators of old where the current flow heats the strip up and
breaks the circuit then cools and remakes. Likewise for a magnetic based
buzzers and traditional solenoid ding-dong doorbells.

You'd call that an oscillator?

--
*Virtual reality is its own reward*

Dave Plowman London SW
To e-mail, change noise into sound.