Due metodi per ottenere la telemetria Frsky
No.1. Non-inversion hacks on receiver
F405 MCU is not equipped with UART port inverters
Need non-inversion hacks to get the Frsky SmartPort working.
Connect one of F4 UART-TXs to the non-inverted telemetry signal pad(Yellow circle)
No.2. Enable SoftSerial_TX on S5 or S6 pad
Don’t need to break the RX cover. Use the inverted TLM signal on the socket.
Type “resource motor 5 none” in CLI, ENTER,
Type “resource serial_tx 11 A15” in CLI, ENTER
Connect the inverted telemetry signal to S5 pad
Press & hold the boot button & connect the USB to your computer.
Then release the button, the FC will enter the Boot Mode.