header files aren’t listed In tabs but modifying with text editor is fine.the compiler will still locate and link the files together when you upload. Let me know how tuning goes. If the led light doesn’t turn off as expected then make sure you turn current adjust screw down a few full turns just in case.The light is just to confirm current is down to low level so you don’t fry diode when you connect for tuning process. Goo luck.keep us posted!
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