Mechanics and Construction > Mechanics and Construction

Motors for the robot in the tutorial

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Arislan:
Do i risk burning the motor? What voltage should I use? AA battery? 9v?

I'm trying with the battery of a portable drill, 9.6v.. connecting wires 2 and 4 cause sparks to come from the battery but no rotation. The other combinations using two wire do nothing. Should I be using more wires?

Admin:
nope it wont burn out, zero harm will be done. unless it has control circuitry already attached to it, which i doubt . . .

6V battery should be fine, anything that can apply maybe ~300mA of current. when you do a connection, the motor rotates the resolution, then stops. if resolution is 1.8 degrees, then it rotates that then stops. then you need to do another combination for the next step.

so one wire should be ground, the others are power. sparks probably mean you are shorting the battery somehow . . . ehhh im definitely no stepper expert tho . . .

Arislan:
shorts (sparks) happen when i supply power to 1 and 3 or 2 and 4.  Nothing happens with power supplied to 2 and 3 or 1 and 4 or 4 and 3.

This explains a little about all their motors:
http://www.shinano.com/xampp/docs/Stepper%20Motor%20Operation%20&%20Theory.pdf

Do you see anything that could help me? I'd appreciate it.

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