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HobbyCNC 3AUPC Kit

Reviews	Views	Date of last review
6	12844

Recommended By	Average Price	Average Rating
100% of reviewers	$113.60	None indicated

supersize	supersize

Description:

or 4 Axis Unipolar Chopper control. NO "Ballast" resistors required!
Individual OR simultaneous control of 2/4 Phase Stepper Motors.
Accepts 5, 6, or 8 wire stepper motors only.
44VDC maximum input voltage, 12VDC or 24VDC minimum input voltage depends on fan voltage used.
3.0 Amps Maximum per Phase, 500ma (.5A) minimum. Each axis adjustable throughout this range.
1/2,1/4, 1/8, and 1/16 Microstepping .
Step and Direction Control.
3.5" by 6.8" double sided with top silkscreen and thru plated holes PCB.
Power On Reset.
On board voltage regulation for 5-volt logic with 12VDC or 24VDC cooling fan from motor power supply.
On board connections for home and limit switches with 10K pullup resistor provided to each. No need for a separate "break out" board.
Minimum of components to make assembly fast and easy!
Works with Step and Direction software such as DeskNC, TurboCNC, Mach2, etc

Keywords:

stepper driver

Author

CNCadmin
Site Owner

Registered: March 2003
Location: United States
Posts: 4264

Review Date:

Would you recommend the product? Yes | Price you paid?: $79.00 | Rating: 8

Pros:	This was a easy to assemble board, great instructions and clear diagrams.
Cons:	No opto isolation on inputs, no all windings off

The board came in a well-packed box, with a full set of instructions and bagged electronics ready to be soldered in-place.

I started soldering in the parts in the order that the instructions stated. The method I used was to install all the parts turning over the board and hitting each part with solder. With all the components installed except of the ic that get installed once the board gets check using 12 volts, I added 12 volts to the board and using a voltmeter checked for the 5 volts at the test points. The test yielded the 5 volts required , making it safe now to install the IC’s.

Once all the IC\'s were installed I hooked up all the stepper motors and power wires, and flipped the switch.

With all the stepper motor connected as per the instructions, everything moved and the stepper motor ran smooth.

This is a great board for a beginner, just take you\'re time a make sure you solding is good with no cold solder joints.

------------------------------
Thank You,
Paul G
Site Owner-Webmaster-
Administrator
www.rfqwork.com

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Jay C

Registered: December 2004
Location: Memphis, TN
Posts: 382

Review Date:

Would you recommend the product? Yes | Price you paid?: $79.00 | Rating: 9

Pros:	Well packaged, well documented
Cons:	Not for a complete beginner to electronics

Package arrived in 3 days. Well packaged well documented. It only took 30 minutes to assemble following each step. My particular kit was missing a necessary resistor, but Dave of HobbyCNC promptly mailed me two the following day.

I recommend that you:
1. Read the instructions at least once before starting
2. Verify that your board matches the images on the HobbyCNC website (including U5 ... that one bit me caue I assumed it went the same direction as the other one ... no damage though)
3. Do the 5V test as instructed
4. Set the Vref to 70% of your motor\'s amp rating
5. Join the HOBBYCNC yahoo group and ask any questions before you assume anything

I used Mach1 on a W2K box. All three axis worked perfectly the first time.

I fully recommend this product to anyone with some working knowledge of soldering and circuits (especially if you get the kit that includes the linear supply components.

Jay

joecnc2006
joecnc2006 at yahoo . com

Registered: August 2004
Location: usa
Posts: 2787

Review Date:

Would you recommend the product? Yes | Price you paid?: $79.00 | Rating: 10

Pros:	Can packaged neatly, with good instructions
Cons:	Really do not have any to say

ok got home and less than 20 mins the mail man cam with a package.

My HobbyCNC 3 axis Board, took it out and looked at all the parts, layed them out in order then started putting it together. The whole process too less than an hour and 1/2 and thats with me taking my time.

When i got it together i imediantly went and took my motors off of my machine, and hooked them up, and then hooked it up to my laptop, set pinouts, and loaded a file, it went through the whole proccess (air cut) without a hitch.

I have to Thank Dave from Hobby CNC for the great kit and products they have. \"Thanks again Dave\" ! ! ! ! ! !

So if you do not have a board motors or any kit yet and you are debating what to get, Well you know my responce, HOBBYCNC for sure.

Joe

Lewis Riley

Registered: January 2005
Location: U.S.A.
Posts: 20

Review Date:

Would you recommend the product? Yes | Price you paid?: None indicated | Rating: 9

Pros:	Great Kit, easy to work, good directions , good backup
Cons:	None so far.

I haven\'t worked electronics for about 17 years, but really wanted to get into CNC. Bought HOBBY CNC\'s kit and so far it has been a pleasure. Not up and running yet, but, will be. Lots of good support at thier site.

John Labutsk

Registered: October 2004
Location: usa
Posts: 15

Review Date:

Would you recommend the product? Yes | Price you paid?: $76.00 | Rating: 10

Pros:	no surface mount components
Cons:	none

I have built 2 of these boards. Performance is excellent with 200 inch ounce steppers. I think you could easily drive a bigger stepper (maybe not to its max capability) but still bigger than 200 inch ounce. Assembly takes less than two hours with a few cups of coffee and detailed inspection for solder bridges. I just received 2 of the 4 axis boards from hobbycnc. I guess that tells you I am quite happy. I live in the Lightning capitol of the world (Ocala,Florida) and being able to repair my electronics is just a plain must! This is where the hobby cnc board is great. You easily replace damaged parts and Dave is happy to supply them at economical prices. It may not be able to handle 7 amps like the gecko, but then if you only need 3 amps or less and 40 volts, I consider it to be a best buy.

If you know what a good solder joint looks like and have a multimeter ($3.95 at HF) and a decent soldering iron the average guy should be able to build this kit with no problems. The clear step by step instructions make it nearly foolproof. At my age, the resistor bands look a little foggy. However I sorted them out in a few minutes with the ohmmeter and every thing went together very easy.

Dave has a simple test to preform before you install the expensive driver chips. This allows you to progress with confidence.

John

deadsy

Registered: March 2005
Location: USA
Posts: 2

Review Date:

Would you recommend the product? Yes | Price you paid?: $255.00 | Rating: 8

Pros:	Good value for money
Cons:	No schematic included with the documentation

I have purchased and built the 4 axis controller and 127 oz-inch stepper motor package. My full review of this product can be read at :

http://www.mibot.com/hobbycnc/driver.php

Regards,

Jason H.

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