Start replacing components. Start with the pull-ups resistors, then the sensors and the PIC. If the problem persists then trash the board.
Re: I2C SDA not going to zero! 3.3V --> 1.14V !
Start replacing components. Start with the pull-ups resistors, then the sensors and the PIC. If the problem persists then trash the board
"No one is completely worthless. They can always serve as a bad example."
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