P2 potentiometer
Apologize again, but I have another question: instead of 1 Megaohm, can I use a 470 K for potentiometer P2? Due to logistical problems related to the place where I am, I can't find a higher value. Do you think it can be work better like with 1 Mohm? Is it perhaps better to also insert a fixed 100/220 ohm resistor in series with p2?
Thanks again.
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