Hi,
here GPIOs you can see how the pin´s of the RPi are counted. Attention, the GPIO-number is not the same as pin-number. Look for the pin-numbers.
What you can try is just change the two data lines at the RPi-pins tx/rx together.
Regards
Andreas
here GPIOs you can see how the pin´s of the RPi are counted. Attention, the GPIO-number is not the same as pin-number. Look for the pin-numbers.
What you can try is just change the two data lines at the RPi-pins tx/rx together.
Regards
Andreas