RE: [CAD_CAM_EDM_DRO] Stepper Controller

Good question and a fun way to start.

All you need is a switch to control the direction and a quick little circuit
with a 555 timer to act as the step generator. Probably take less then $3.00
in parts for the "controller". You will still need the stepper driver (Gecko
G201/G210, Camtronics 5 amp or 2 amp, L297/298 based unit, etc) and a power
supply, just no computer. When you decide to go full CNC you can just remove
the circuit and hook the computer in it's place.

Tim
[Denver, CO]

> -----Original Message-----
> Hello I am a new member to this group, and pretty new to the whole
> stepper motor/cnc bizz, I was wondering if someone has plans to a
> motor controller that doesnt need a computer, but rather could be used
> as a power feed of some sort... you press a button it spins one
> way(maby have a rehastat to speed or slow it down), press another
> button makes it spin the other way, and maby a button to advance one
> step at a time?
>
> Any info would be great! good group!
>
> Tyler Phillips
>
>
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