Data Sheet
ROBOT.HEAD to TOE 
Datasheet - MD25HV 
1. BOARD LAYOUT & FUNCTION
Figure 1: MD25HV Board Functions 
Function 
Description 
Power Input Terminal 
Connect to battery. 
● VB+ : Positive 
● VB- : Negative 
Warning : Connecting in reverse polarity will damage the 
 motor driver instantaneously. 
Motor Output Terminal 
Connect to motor terminal. 
Motor direction is depending on the polarity. 
Power LED 
Turn on when power up. 
Error LED 
Blink when there is error. 
OC (Overcurrent) LED 
Turn on when current limiting is in action. 
Current limit threshold is depending on the board temperature. 
Motor Status LEDs 
Turn on when the motor is running. 
● MA : Forward* 
● MB : Backward* 
Test Buttons 
Press to test the functionality of the motor driver. 
Motor will run at 78% of full speed. 
● MA : Forward* 
● MB : Backward* 
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