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 Lose lips sink... robots? (during a water game at least) - Zach O [more] |
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| Lose lips sink... robots? (during a water game at least) - Zach O [more] |
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The current out the wiper is essentially zero.
The current through the pot is 5V/100,000Ohms = 0.00005 amps = 50 microAmps = 0.05 milliAmps The voltage Vg is zero because that is what the "g" is supposed to stand for "ground." The wiper lead is going to a high impedance input to an ADC (Analog to Digital Converter). This is what turns the 0-5V to the 0-255 number that you use in your Pbasic code. Hope this helps. Joe J. |
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