Digital 6
Motor 2 Direction control
Digital 7
Motor 2 Enable control
PWM Control Mode
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Fig4: PWM Motor
Control Pin
Allocation
The PWM DC motor control is implemented by manipulating two digital IO pins and two PWM pins. As illustrated
in the diagram above (Figure 5), Pin 4,7 (7,8 for old Romeo version) are motor direction control pins, Pin 5,6 (6,9
for old Romeo version) are motor speed control pins.
Sample Code
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