DFRobot DFR0225 Manual - Page 3
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Fig1: Romeo V2 Pin Out
Power solution design
This motor controller power solution is specially designed for the robotics application.
Servo Power terminal
It integrated an external servo power terminal. The range of this power input is about 5~12v. We recommend
you to use 5v. So the servo power supply extension won't break the digital sensors connected to the 3p
digital sensor interface. However,for driving 6~12v servos with the voltage input higher than 5v, it's not
available to extend 5v sensor on all the digital sensor interface anymore.
The servo power terminal won't supply system working voltage.
Motor Power terminal
The setting for the system & motor power switch:
On: supply power to the motor driver and system power regulator. The input range is from 5~23 volts. It's
suitable for most of robot platform.
Off: Isolate the system power supply from the motor power. In this case, it requires to supply system voltage
from Micro USB port,5v power source to 5v & GND pins directly or 5~23v power source to VIN & GND pins.
Example use of Button S1S5
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