try to disconnect the gps and telemetry from the serial port.
Normally that is the problem . The stm bootloader used by vrbrain first start to search the code on serial port if found a data from a device connected as gps stream stop to search on the usb .
Replies
try to disconnect the gps and telemetry from the serial port.
Normally that is the problem . The stm bootloader used by vrbrain first start to search the code on serial port if found a data from a device connected as gps stream stop to search on the usb .
Best
Roberto