High voltage demonstration

This is a high voltage demonstration using an inexpensive car ignition coil being driven by a variable frequency, duty cycle and amplitude 555
based mosfet circuit.
Circuit schematic:
https://www.imgpaste.net/image/r0tKi
Video of circuit in action:

https://www.youtube.com/watch?v=KcWrrlTRFdM

2.2
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