On 7/30/2011 7:15 PM, gene heskett wrote:
> Or, speak of el-cheapo, 70 bucks for what looks like that's about what
> its worth:
>
> <http://cgi.ebay.com/4-Axis-TB6560-CNC-Stepper-Motor-Driver-Controller-Board-/130532324742?pt=LH_DefaultDomain_0&hash=item1e64553586>
>
> Nice fan cooled heat sink, but that chip doesn't impress me too much.
> And its not a step up, 3 amps 36 volts, about the same as the Allegro
> A3977 but all 4 in one package. The 2M542 is a step up, allowing me
> to raise the motor voltage if I am so inclined.
>
> Cheers, gene
>
Gene,
Stay as far away as possible from the TB6560-chipped board. Users
on CNCZone have reported nothing but problems with it, and are doing all
sorts of mods to the board just to get it minimally work.
Mark
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