Reset and initialize Matrix Mini Controller to default state.
Mini.begin(float vbat, bool _enUART, long buad);
vbatis a string of battery voltage.
AA_6means 6 AA batteries.
LI_2means 2 Li-ion batteries.
(Options:AA_6/LI_2/LI_3/LI_4/LI_5/LI_6)_enUARTis a string of enable UART for serial control. (Options:enable/disable)buadis a long int of UART baud rate.
(Options:300/600/1200/2400/4800/9600/14400/19200/28800/31250/38400/57600/115200)