User manual
Makeblock Music Robot V2.0 User Guide 
www.makeblock.com 
30/40 
( Note: The smaller excitation mode is, the slower motor is spinning, the higher precision 
you get.) 
Table 1 
MS1 
MS2 
MS3 
Microstep 
Resolution 
Excitation Mode 
L 
L 
L 
Full Step 
2 Phase 
H 
L 
L 
Half Step 
1-2 Phase 
L 
H 
L 
Quarter Step 
W1-2 Phase 
H 
H 
L 
Eight Step 
2W1-2 Phase 
H 
H 
H 
Sixteenth Step 
4W1-2 Phase 
b).Me Ultrasonic Sensor V2.0 Wiring Diagram 
Figure 42 










