When connecting the pps signal using R20, does it use a different pin, or the same pins that the gps signal is using?
thank you.
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When connecting the pps signal using R20, does it use a different pin, or the same pins that the gps signal is using?
thank you.
They are different pins. PPS does not use the TX/RX pins of the GPS module; PPS is a separate "pulse output" signal line.By default, there is no soldering. If you need PPS functionality, please solder this resistor R20.
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