User Manual

Go to full parameter list.
Click Find
Search for ‘serial’.
Change SERIAL1_BAUD to 19 (for 19200 bauds telemetry)
o (Pixhawk users, please check this page)
o Notice that SERIAL1 = UART0, SERIAL2 = UART1, etc
Write params
Configure your radio.
Configure your flight modes (for example use a 3-way switch, and choose
manual, FBWA and RTL modes)
Hardware setup
On both modules, drill a hole to access the serial port :