I used to use small light bulbs (6 or 12v) with the glass broken/removed to set various things off. The filament gets red or even white hot then burns out. Not a spark but may be good enough.
Rob
I used to use small light bulbs (6 or 12v) with the glass broken/removed to set various things off. The filament gets red or even white hot then burns out. Not a spark but may be good enough.
Rob