(SKU:RB-04M047)RB-330MG Metal Gear Servo

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Product introduction

The RB-330MG Servo Motor is the newest generation metal teeth large torque angle, brush DC coreless motor servo motor special for robot , internal non-iron rotor, high energy conversion efficiency, high activating braking response speed , reliable operation stability, good adaptive capability, low electromagnetic interference, small volume, light weight, conductive plastic potentiometer with good precision and rubproofness. The motor control integrated circuit (IC) adopting digital chip and power switch make H bridge circuit, voltage control in bipolar driver mode ,fast response speed, small no response zone, high positioning accuracy, good compatibility and anti-jamming capability, suitable for robot and model airplane field.

Technical parameters and performance

  1. Operating Voltage : 6 - 7.2 Volts
  2. Operating Temperature : -10 to +50 Degree
  3. Operating Speed (6V,700mA) : 0.2sec/60° at no load
  4. Operating Speed (7.2V,900mA) : 0.18sec/60° at no load
  5. Stall Torque : 36kg·cm (6.0V) , 38kg·cm (7.2V)
  6. Reduction Ratio : 188:1
  7. Size: 59.5mm × 29mm × 55.2mm

Packing List

  • 1 x RB-330MG Servo Motor
  • 2 x Servo Horn
  • 5 x Screw

Dimensional drawing

RB-330MG Metal Gear Servo Motor dimensional drawing


Note: All dimensional drawings are manual measured, used for reference only. It should be considered that a margin of error is inevitable.

Pin definition


Methods of use

Required hardware

Hardware Connection

  • Connect the Digital Push Button Sensor to pin D4 and D5 of controller via jumper wires on sensor expansion board.
  • Connect the servo motor to pin D9 of UNO controller by using the expansion board.
  • Use the adapter to feed UNO controller.

Sample Code

#include <Servo.h>
const int button1 = 4;
const int button2 = 5;
Servo myservo ;
void setup() {
void loop() {
  }// put your main code here, to run repeatedly:

Application effect

Push "button1" rotate the gear servo motor 70 degrees, push "button 2" will rotate the motor 180 degrees on full operating speed.

Video Tour


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Purchase link

RB-330MG Metal Gear Servo Motor

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