Basic Electronic Pulse Motor, Bedini style
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Here it drives a 6 pole (n,s,n,s,n,s) windowmotor (Mendocino) with the circuit.
The 1k resistor and the 1n4148 diode are necessary to prevent the circuit from self oscillation. (Joule thief: because the coils are close together)
(Lidmotor send me an email about this, describing exactly this setup )