Hello everyone, I was just over at HobbyCNC and I saw a "huge price drop" sale. I was wondering if you guys had an opinion on whether it was a good deal or if the parts were of lesser quality? Looks like good savings if it is the same.

Thanks for any response..

http://www.hobbycnc.com/4aupc.php

The kits they usually sell are:
4 Axis Package
With (4) 200oz-in Steppers
$295USD + $16 USA S/H

Sale add says:
4 Axis 4AUPC Kit + (3) 200oz-in, 3v, 3A,
Dual Shaft Steppers
UNTIL SUPPLIES LAST
$179USD + $16 USA S/H

no takers eh?

Wish I was able to order them today (if its what i would need..?) but gotta get the rest of the parts gathered up first


Thanks for the news on the sale though

Sorry did not see the post, but yes a good deal, its the older board, but still works good.

joe

Would I be wishing I bought the newer boards a few months after I bought these that are on sale? Do you know of any major differences between the two boards?

Opti-isolation, and driver chip protection

I swear that I tried looking up "Opti-Isolation" and couldn't find what exactly that means. Could you shed some light on that?

Maybe they put some chewing gum on top of the opti to isolate it from dust?

An optical isolator is chip that has a led transmitter and light sensitive receiver in the same package.
The input and output are isolated electrically by using this light link.
These are great; if you accidently connect the output circuit to line current, your pc is not fried!