It equips sophisticated internal circuitry that provides good torque, holding power, and faster updates in response to external forces.MG90S is a micro servo motor with metal gear. This small and lightweight servo comes with high output power, thus ideal for RC Airplane, Quadcopter or Robotic Arms.
- Operating Voltage: 4.8V to 6V (Typically 5V)
- Stall Torque: 1.8 kg/cm (4.8V)
- Max Stall Torque: 2.2 kg/cm (6V)
- Operating speed is 0.1s/60° (4.8V)
- Gear Type: Metal
- Rotation : 0°-180°
- Weight of motor : 13.4gm
- Package includes gear horns and screws
Selecting your Servo Motor
There are lots of servo motors available in the market and each one has its own speciality and applications. The following two paragraphs will help you identify the right type of servo motor for your project/system.
Most of the hobby Servo motors operates from 4.8V to 6.5V, the higher the voltage higher the torque we can achieve, but most commonly they are operated at +5V. Almost all hobby servo motors can rotate only from 0° to 180° due to their gear arrangement so make sure your project can live with the half circle. If no, you can prefer for a 0° to 360° motor or modify the motor to make a full circle. The gears in the motors are easily subjected to wear and tear, so if your application requires stronger and long running motors you can go with metal gears or just stick with normal plastic gear.
Next comes the most important parameter, which is the torque at which the motor operates. Again there are many choices here but the one here is the 2.2kg/cm torque which comes with the MG90 Motor. This 2.2kg/cm torque means that the motor can pull a weight of 2.2kg when it is suspended at a distance of 1cm. So if you suspend the load at 0.5cm then the motor can pull a load of 4.4kg. Based on the load which you use in the project you can select the motor with proper torque. The below picture will illustrate the same.
- Used as actuators in many robots like Biped Robot, Hexapod, robotic arm etc..
- Commonly used for steering system in RC toys
- Robots where position control is required without feedback
- Less weight hence used in multi DOF robots like humanoid robots
MG90 Servo Motor Dimensions
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