Ignition coil
An ignition coil is the ignition source used in most gas engines, and can be adapted for use as a spudgun ignition. To generate a high voltage pulse, the current in the primary coil needs to be pulsed.
Contents
Driving circuits:
Buzzer relay
Electronic oscillator circuit
An oscillator circuit, typically made up of a 555 timer circuit and switching transistor, is used to interrupt the current through the coil with a frequency of 5-20 kHz.
Camera flash
The voltage from the storage capacitor of a camera flash is dumped through the ignition coil.
Manual switch
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