Pin Allocation; Pwm Control Mode - DFRobot DFRduino DFR0004 Manual

Connect four motor wires to Motor Terminal. And apply power through motor power terminal
(Figure 4).
Fig3: Romeo Motor Connection Diagram
Pin Allocation
PWM Control Mode
(/wiki/index.php/File:RomeoSample.png)
"PWM Mode"
Pin Function
Digital 4 Motor 1 Direction control
Digital 5
Digital 6
Digital 7 Motor 2 Direction control
"PLL Mode"
Pin Function
Digital 4 Motor 1 Enable control
Digital 5 Motor 1 Direction control
Digital 6 Motor 2 Direction control
Digital 7 Motor 2 Enable control
(/wiki/index.php/File:RomeoMotorJmp.png)
Fig4: PWM Motor
Control Pin
Allocation
Motor 1 PWM control
Motor 2 PWM control