MM3 Control Codes Controller Buttons, Connectors ----------------- ------------------------------ 0000 0 rest state, default code Horn Left LEDs Right 0001 1 PU Pen Down on LED Off LED 0010 2 PD Pen Up Horn on on 0011 3 LEDs off off 0100 4 RLED Right LED on CFL FD CFR 0101 5 LLED Left LED on Pen LT Keys RT 0110 6 Buzz off up enable 0111 7 Buzz Pen CBL Bk CBR 1000 8 FD LF,RF Forward down 1001 9 BK LB,RB Backward 1010 10 RL LB,RF Rotate Left Battery 9v Aux. in 1011 11 RR LF,RB Rotate Right enable in 1100 12 CBR LB,-- Curve Backward Right CBR 1101 13 CFR LF,-- Curve Forward Right CFR 1110 14 CBL --,RB Curve Backward Left CBL Circuit takes 22mA with Aux. input 1111 15 CFL --,RF Curve Forward Left CFL 27mA when Keys enabled Codes diode decoded in MM3
M23 circuit