Mamba F405 MK2 and R9MM no stick input Frustration

[trocaderos]

Hello, creating SoftSerial is by using Serial_tx 11 C09 , not Serial_tx 01. SoftSerial adress starts from 11…
There is no need to free Serial_tx 01 as you are using the ppm 01 source…
(Btw, your solder work i awful!! And dangerous…)