The subject of using stepper motors for wheeled vehicle steering has been brought up. I'm not going to assume that everyone on this list knows what a stepper is so I'm going to tell you. A stepper motor is a type of electric motor that increments in one direction or another in very precise increments or steps. Typical steppers are configured for 200 steps for a full revolution. Steppers can be found moving the print heads of most inkjets and 3D printers, CNC machinery, and any other device that requires very precise positioning. To move (or drive) a stepper requires a stepper driver and a control source that will pulse a direction and step signal to the driver (a computer or micro-controller). To control a stepper from an R/C receiver will require a micro-controller that will read the signal from the Rx and convert that to signals that the stepper driver can interpret. SO were talking a bunch of hardware and custom programming to implement such a setup. As luck would have it, someone has already come up with a solution for driving steppers from R/C equipment.
http://store.cunningturtle.com/products/radio-controlled-stepper-kit The Cunning Turtle solution drives a stepper much as any typical R/C ESC would drive a brushed electric motor (proportional forward and reverse). It does have an absolute control function where it will move X amount of steps in either direction proportional to control input (TX stick position), but there is no closed loop feedback to compensate if the stepper gets forced in one direction or the other. Also, the Cunning Turtle ESC can only drive smaller steppers of 500mah or less. ST -- -- You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] Visit the group at http://groups.google.com/group/rctankcombat --- You received this message because you are subscribed to the Google Groups "R/C Tank Combat" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
