modified 7 years ago

Relay-based oscillator.

01:34:50

Change the value of the inductor to change the frequency of oscillation.  I think this circuit could actually be built from nothing more than a battery, wire, and magnets (you could include a bulb to observe the frequency). It would be a fun project to try. 

published 9 years ago

ascaend

8 years ago

wow!

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