Hi,
I purchased a Bluno M3 from DFRobot, I installed the required IDE and driver but everytime I try to upload a sketch I get this error message:
serial_read1byte had problem, exiting
: No error
WARNING: trycount in serial_read1byte = 2
WARNING: trycount in serial_read1byte = 3
WARNING: trycount in serial_read1byte = 4
Anybody knows what it means ? I can't find any information on this type of error !!
Thanks !