Mount the Two 4.7K Resistors
Locate the spot for the two 4.7K resistors, they're just to the left of the silver baro
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sensor and are marked "472" on the board.
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Tin the right pad of the top 4.7K resistor.
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Solder the top 4.7K resistor in place in the same manner as the other resistors &
capacitors.
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Similarly, mount the bottom 4.7K resistor.