Ping sonar and recent firmware (v3.28)

[EliotBR (Eliot)]

@andreas, please see the following update, so you can make a more informed decision on how best to operate your Ping sonar

"Ping device failed to initialise" using ping-arduino

@Josh1977 I’ve spoken with our software team and apparently the reasoning for using 9600 baud is that Arduino Software Serial can have issues going much faster than that, especially when there’s much other code running. We’re planning to update our Arduino examples to work correctly with our latest Ping_V3.28_auto.hex firmware (enabling both 9600 and 115200 baud without needing to change firmware), and change our documentation to say that 115200 baud is possible, but not recommended unless on H…