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Having different sources of measurements and dimensions, the WARG XT90 power pads will be 5mm square pads, with a 7mm pitch for the positive and negative leads. This allows for a balance of space to solder the wires onto, so it is neither tight or spaced too far out.
Stack-Up
The stack-up chosen is the JLC04161H-7628 Stackup, off JLCPCB.
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Addressing Issues
I2C Pull-up
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