Originally posted by James_Somewhere_In_Idaho
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yes its indeed me here.. there a good reason why it should not work when you use 470 or 680 ohms resistor that we usually use as default value on multicoil machines in that configuration... coz... when you do that a NPN transistor has a P base and low resistance from the Positive of the Source Battery is a straight short to Negative ground (bias)...hence I see that Bromikey's circuit uses a variable Pot. 5K as seen in the circuit schematic,Would want to see this mode in operation and what it does over the Soft Triggering (Attraction/ Repulsion modes)
I have a Philosophical instinct not an Engineering one!!!
Rgds,
Faraday88.
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