Simple ASCII interface

? - show options

A n m l -set buzzer (freq, patt, len_ms)

B -toggle sensor Board control

E - dEbug 'E'-disable all, EC-enable consoleLog, ES enable Scope\r\n"\

P - power control - P -disablepoweroff, PE enable poweroff, Pn power off in n seconds

I -enable Immediate commands:

W/S/A/D/X -Faster/Slower/Lefter/Righter/DisableDrive

H/C/G/Q -read Hall posn,speed/read Currents/read GPIOs/Quit immediate mode

N/O/R - read seNsor data/toggle cOntrol/dangeR

T -send a machine test message A-ack N-nack T-test

? -show this

See Ascii Protocol page in hbprotocol repo wiki for a more detailed explanation