DFRobot DFR0225 매뉴얼 - 페이지 5
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페이지 인쇄PWM Control Mode
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：
Digital 6
Motor 2 Direction control
Digital 7
Motor 2 Enable control
(/wiki/index.php/File:RomeoMotorJmp.png)
Fig4: PWM Motor
Control Pin
Allocation