Manual
ROBOT.HEAD to TOE 
Product User’s Manual - MDDS30 
Created by Cytron Technologies Sdn Bhd – All Rights Reserved 
Back to INDEX  8 
F 
COOLING FAN CONNECTOR 
Optional cooling fan (not included) can be connected here and mount at the bottom PCB. 
G 
HEAT SINK 
This area might be hot, please be careful. 
H 
RIGHT CHANNEL LED INDICATOR 
RUN - Turns on when motor RIGHT is running. If signal error received for motor RIGHT, it will 
blink. 
ERR - Blinks at specific count if there have an error. 
OC - Light up if overcurrent happened. 
I 
LEFT CHANNEL LED INDICATOR 
RUN - Turns on when motor LEFT is running. If signal error received for motor LEFT, it will blink. 
ERR - Blinks at specific count if there have an error. 
OC - Light up if overcurrent happened. 
J 
POWER LED INDICATOR 
Indication for board’s power. 
K 
MOTOR LEFT TEST BUTTON 
Fast test to check driver functionality for motor LEFT. If MLA is pressed, current flows from 
output MLA to MLB. Vice Versa. 
L 
MOTOR RIGHT TEST BUTTON 
Fast test to check driver functionality for motor RIGHT. If MRA is pressed, current flows from 
output MRA to MRB. Vice Versa. 
M 
RC INPUT PIN 
This pins specially for RC receiver input wire. RC1 for forward/reverse and RC2 for steering. 
N 
ANALOG/PWM INPUT PIN (GROVE) 
AN1 - Analog/PWM signal for motor LEFT. 
AN2 - Analog/PWM signal for motor RIGHT. 
O 
DIGITAL/SERIAL INPUT PIN (GROVE) 
IN1 - Digital signal (direction) for motor LEFT, or can be used for Serial mode. 
IN2 - Digital signal (direction) for motor RIGHT. 
P 
MODE SELECTION DIP SWITCH 
User can select different input mode by setting the DIP switch. 
Q 
RESET BUTTON 
Press this button will restart the system. This is useful if you want to change mode without 
recycle power (turn off and on). 










