TRISx = 1 is used to read an analog input, ex: A/D input. It turns the port into a high impedance input. So, if you want the port to sink in current just make that port low with TRISx = 0 like in the example in that thread.
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Re: 2 LEDs used Bi-directionally
TRISx = 1 is used to read an analog input, ex: A/D input. It turns the port into a high impedance input. So, if you want the port to sink in current just make that port low with TRISx = 0 like in the example in that thread.
"No one is completely worthless. They can always serve as a bad example."
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