Double Ignition Coil High Voltage Generator| Circuit Project

This next design is similar to the one above, but uses two coils with their primaries in parallel (but the + on one is to the – on the other and vice versa) and their secondaries in series. This has a higher voltage output than using just one. The average voltage output is two times that of using just one. You can create longer arcs with this, but it takes up more power.

Circuit diagrams and schematics - Electronic projects

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Double Ignition Coil High Voltage Generator