When an electric motor is prevented from spinning while turned on, it usually produces a buzzing noise. What exactly produces the noise if it isn't moving? - Quora
![DC stepper motors making a humming noise, but not moving? They are connected to an l293d motor driver shield for arduino uno, powered by 2 AA batteries. Have any of you had DC stepper motors making a humming noise, but not moving? They are connected to an l293d motor driver shield for arduino uno, powered by 2 AA batteries. Have any of you had](https://i.redd.it/5dytz15es5g71.jpg)
DC stepper motors making a humming noise, but not moving? They are connected to an l293d motor driver shield for arduino uno, powered by 2 AA batteries. Have any of you had
![My stepper motor sounds like it's spinning but isn't. The wires seem to correct. Any ideas? : r/arduino My stepper motor sounds like it's spinning but isn't. The wires seem to correct. Any ideas? : r/arduino](https://preview.redd.it/my-stepper-motor-sounds-like-its-spinning-but-isnt-the-v0-bjtfgu3kiry91.jpg?auto=webp&s=35fc2f5f31e07eb0f3af7688d79aa23d7d3577f6)
My stepper motor sounds like it's spinning but isn't. The wires seem to correct. Any ideas? : r/arduino
![Stepper motor not rotating, just sounds like it is going back and fourth - Motors, Mechanics, Power and CNC - Arduino Forum Stepper motor not rotating, just sounds like it is going back and fourth - Motors, Mechanics, Power and CNC - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/2/f/2/2f2c42957a1d8b0fc5f0eabbb358e875b3ecb298.jpeg)
Stepper motor not rotating, just sounds like it is going back and fourth - Motors, Mechanics, Power and CNC - Arduino Forum
![3d Stepper Motors NOT Moving, just vibrating? (Page 1) — Help/Repair/Maintenance — SoliForum - 3D Printing Community 3d Stepper Motors NOT Moving, just vibrating? (Page 1) — Help/Repair/Maintenance — SoliForum - 3D Printing Community](http://soliforum.com/i/?7e73rPk.jpg)