where to start

[TrickyCNC]

ok, after a bit more poking about on that web site, my suspicions were confirmed in the spares section. The chip on the driver is the 6560, which is generally known to have issues.

I , personally, wouldn't use them even if they were a lot cheaper (which they should be). He has the kit at the same price as one using 542's, which are much better and respected drives for on a budget.

[Musht]

ok, after a bit more poking about on that web site, my suspicions were confirmed in the spares section. The chip on the driver is the 6560, which is generally known to have issues.

The 6560`s can be a bit fragile, as I`ve learned, but easy to change out, once you`ve done it once....

More limiting , as Jazz continually points out ;-), is the maximum voltage is lower than any other drive, so changing motors will only happen with the drives as well.

542 drives can stay around with bigger motors and are less fragile to start with, in this case cheaper.

MDF frame gets you a working test bed to learn a bit about software and probably get the cash back in for MKII ;-)