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TowerPro MG995 Servo Motor High quality , High torque 180degree


  • Weight: 55 g
  • Dimension: 40.7×19.7×42.9mm
  • Operating voltage range: 4.8 V to 7.2 V
  • Stall torque: 9.4kg/cm (4.8v); 11kg/cm (6v)
  • Operating speed: 0.2 s/60º (4.8 V), 0.16 s/60º (6 V)
  • Rotational degree: 180º

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MG995 is a servo motor that is popular for its performance and low price. The motor is used in many applications mainly being robotics and drones.

 

MG995 Servo Motor Overview

Since MG995 is a servo motor providing precise rotation over 180º range its applications are many and in them a few are stated below

  • The servo is suited for designing robotic arm in which wear and tear of motor is high. Being metal geared, the servo has long life and can be installed on system like robotic arm were motor work is huge.
  • The servo is also suited to be used in drones and toy planes. Having a satisfying torque which is enough to overcome air resistance and control wings of plane, the servo is preferred in toy planes and drones which need precision control no matter the condition.

 

How to use MG995 Servo Motor

First let us consider the circuit connection of servo as shown below. Here the Red wire is connected to +5V regulated power which can deliver current up to 1Amp, Brown wire is grounded and Orange wire is connected to PWM (Pulse Width modulation) output of a microcontroller. In the circuit if microcontroller and servo has different power sources then the microcontroller ground needed to be connected to servo ground.

Now for controlling of servo there are only two important things to remember:

  • Frequency of PWM: MG995 takes in PWM signal of frequency 50Hz and any higher and lower frequency PWM will lead to error. As shown in figure the every single cycle of PWM needs to be 20ms width for 50Hz frequency.
  • Duty cycle of PWM: The duty cycle of PWM (or ratio of ON time to total cycle time) determines the position of servo axis. If we provide a PWM signal of 0.5ms ON time over 20mS complete cycle, the servo axis will move to 0º.

Applications

  • Drones and RC planes
  • Security camera
  • Robotics
  • Solar tracking and positioning
  • Door lock and safe locks
  • Hobby projects

MG995 Features and Electrical characteristics

  • Metal geared servo for more life
  • Stable and shock proof double ball bearing design
  • High speed rotation for quick response
  • Fast control response
  • Constant torque throughout the servo travel range
  • Excellent holding power
  • Weight: 55 g
  • Dimension: 40.7×19.7×42.9mm
  • Operating voltage range: 4.8 V to 7.2 V
  • Stall torque: 9.4kg/cm (4.8v); 11kg/cm (6v)
  • Operating speed: 0.2 s/60º (4.8 V), 0.16 s/60º (6 V)
  • Rotational degree: 180º
  • Dead band width: 5 μs
  • Operating temperature range: 0ºC to +55ºC
  • Current draw at idle: 10mA
  • No load operating current draw: 170mA
  • Current at maximum load: 1200mA

 

Categories: , Tags: , , ,
Model MG995
Weight(gm) 55
Operating Voltage 4.8 – 7.2 V
Operating Speed @4.8V 20sec/60°
Operating Speed @6.6V 16sec/60°
Stall Torque @4.8V 10 kg-cm
Stall Torque @6.6V 12 kg-cm
Operating Temperature (°C) -30 to 60
Dead Band Width 1 μs
Gear Type Metal
Rotational Degree 180
Servo Plug JR
Cable Length 30 mm
Length (mm) 40.5
Width (mm) 20
Height (mm) 44

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