Data Sheet
ROBOT.HEAD to TOE 
Datasheet - MD25HV 
4. INPUT MODE 1: PWM/DIR INPUT 
Figure 3: PWM/DIR Input Connection Diagram 
PWM 
DIR 
Output A (MA) 
Output B (MB) 
Motor 
Low 
X (Don’t Care) 
Low 
Low 
Brake 
High 
Low 
High 
Low 
Forward* 
High 
High 
Low 
High 
Backward* 
Table 3: PWM/DIR Input Truth Table 
∗
Actual motor direction is depending on the motor connection. 
Swapping the connection (MA & MB) will reverse the direction. 
5. INPUT MODE 2: POTENTIOMETER/SWITCH INPUT 
Figure 4: Potentiometer/Switch Input Connection Diagram   
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