apm 2.5 ,last firmware on board ..quad x drone .Arduplanner or Apmplanner both working, except the gps module...on screen, once connected Apm planner for istance, appear this frustrating advice.. "NO GPS "!!!  In reality the module is wire connected, mean wile  the "on board state led (TX / RX)"  are both  blinking... By the Ublox pc program, the module appear to be working fine....actually i really don t know what else to do...Thanks!!

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  • You were right !!wire pinot was not correct! In particular VCC and ground were wrong..now is ok but still i recive same results.. I've tryed to invert TX and RX but apmplanner gives the same result ..no GPS ...don't understand...any idea?????
  • Re confirm your wire pinout. Sometimes the Tx and Tx wires are reversed.
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