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Motor

Choosing the right motor for your project is crucial, as it affects the performance, efficiency, and overall functionality of your machine. Here are some common types of motors used in robotics and automation:

Stepper Motor​

Pros

  • cheap
  • holds position
  • easy to control

Cons

  • low efficiency
  • low speed
  • missteps at high speeds

Use Cases:

  • 3D printers
  • CNC machines

References:

BLDC Motor​

  • expensive
  • high efficiency

There are two types of BLDC motors:

  • gimbal motors
  • high-performance motors

Gimbal Motors​

Pros

  • smooth
  • precise
  • powerful at low speeds
  • cheap motor driver

Cons

  • expensive
  • not easy to find

Use Cases:

  • robotics
  • automation
  • gimbal cameras

High-Performance Motors​

Pros

  • high RPM
  • relatively cheap
  • high efficiency

Cons

  • low torque at low speeds
  • requires a gearbox for high torque applications
  • requires an expensive motor driver due to high current

Use Cases:

  • drones
  • RC cars
  • industrial automation

References: