Gravity DC Micro Metal Gear Motor w/Driver - 30:1

DFRobotSKU: RB-Dfr-678
Manufacturer #: DFR0430

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Sale price ¥1,633

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Description

  • Easy to operate
  • You are able to control the motor using only one control signal
  • Easily implement forward/reverse control
  • Also combines the features of a DC motor and 360 degree servo

The Gravity DC Micro Metal Gear Motor w/Driver - 30:1 is easy to operate - using the DFRobot "Gravity" interface, you are able to control the motor using only one control signal. Easily implement forward/reverse control and speed control via PWM. This motor also combines the features of a DC motor and 360 degree servo. 

  • Operating voltage: 3.5V - 8V
  • Reduction ratio: 30:1
  • No load current: 40mA@6V (approx)
  • Static current: < 1mA (no PWM control signal input)
  • Interface: Gravity 3-Pin
  • PPM signal resolution: 1us
  • PPM signal pulse width range: 500us-2500us
  • Clockwise pulse width range: 500us-1400us (500us speed maximum)
  • Stop pulse width range: 400us-1600us
  • Anticlockwise pulse width range: 1600us-2500us (2500us speed maximum)
  • PWM frequency: 500 Hz.

Customer Reviews

Based on 2 reviews
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S
Seth
Works Well for Lightweight Robots

These little motors and ESCs seem to work very well for little robots. I am using them on a 1 pound combat robot and they generally have held up well in testing. I did however see one big impact when my robot hit a wall hard enough that killed one of the motors, although the ESC and gearbox seemed to be fine. I am running them with a DC-DC buck regulator at 7 volts, any higher than that and the ESCs seem to die.

x
xopxe
very nice, test before using

Pro: very practical package. As simple as it gets. To take into account: small reduction: fast and little torque. Make sure it fits your expected regime. Cons: when changing direction suddenly under loads something stalls. Motors loses power and reengages a second later. We suppose is some countercurrent protection tripping in the controller, but don't know for sure. Changing direction smoothly (first slow down, invert, then ramp up) sidesteps the issue.

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