User Manual

Label Name Description
1 +VIN— External power input 6.5~10v
2
+Servo
—
Digital port power input 5~20v
3
MA1
MA2/
MB1
MB2
motor controls A : MA1 (controlled by D3), MA2 ((controlled by D5)
motor controls B : MB1 ((controlled by D9), MB2 ((controlled by D6)
4 I2C I2C interface
5
A 5V
GND
Analog Port 0,1,2,3
6
D VCC
GND
Digital Port 2,4,7,8,10(pwm),11(pwm),12,13
7 LED light
PWR-power indicator；
TX/RX-Data transmissing/receiving indicator；
L-D13 led；
LINK-Bluetooth link indicator；
PAIR-Bluetooth pair indicator；
WARN-Motor driver warning indicator(lighting when temperature is too
high or current too large)
8 RESET Reset button
9 BOOT Used for update BLE Firmware
Tutorial
In this tutorial, you can control two motors by enter("a","b","c","d","e") in Serial Monitor on PC.
Requirements
Hardware
Romeo BLE mini x1
6v Motro x2
Software
Arduino IDE V1.6.5 Click to Download Arduino IDE (https://www.arduino.cc/en/Main/Software)
Connection Diagram
(/wiki/index.php/File:DFR0351%2BMotor.png)
Sample Code