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Motor control shield KIT for Arduino

3.4 out of 5 stars 22 customer reviews

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  • motor shield for arduino
  • drives 2 DC motors
  • Independent logic and motor voltage
  • based on Arduino motor shield PCB

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Product Description

This arduino shield kit lets you control motors from your Arduino board. The kit uses the SN754410NE motor driver. Assembly guide: http://mcukits.com/2009/03/12/assembling-the-freeduino-arduino-motor-shield/

Product Information

Product Dimensions 3.1 x 2.4 x 0.4 inches
Item Weight 4.8 ounces
Shipping Weight 4.8 ounces
ASIN B002VH9APQ
Customer Reviews
3.4 out of 5 stars 22 customer reviews

3.4 out of 5 stars
Best Sellers Rank #118,043 in Electronics (See Top 100 in Electronics)
#85 in Industrial & Scientific > Industrial Electrical > Controls & Indicators > Controllers > Motor Speed Controllers
Date first available at Amazon.com November 3, 2009

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Customer Reviews

Top Customer Reviews

By DonKahones on February 21, 2010
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This is a good kit however it did not come with any instructions. With a little bit of searching you can easily find some. It is not assembled so be ready to solder. Mine was missing one resistor but luckily I had an extra one lying around. They are supposed to be mailing me a replacement but I couldn't wait.

Just to let you know...

// Direction pin for motor B is Digital 12
// Speed pin for motor B is Digital 9 (PWM)
//Diretion pin for motor A is Digital 13
//Speed pin or motor A is Digital 10 (PWM)

at least I think....it seems to work for me
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OK, so this is an Arduino-related product and apparently it's part of the tradition not to include any documentation... but really! No packing list, no invoice, no nothing. Checked the Amazon NKC ELectronics storefront for instructions; nothing. Checked the Arduino website; puzzling because there are several motor control boards, all similar but nothing quite matching this one. In desperation I Google'd; again nothing that matched. Finally I looked at the shipping label on the box it came in and found a URL. Once you get to [...] you will find excellent and comprehensive instructions. And it's a good thing because the board has many open un-used component locations marked. Without detailed instructions you'd think half the pieces were missing.

So the story has a happy ending and the little board works just as advertised, but I don't know why NKC made it so hard.
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I own 8 or 9 of these now. They used to be red in color but have changed to white circuit boards but are the same great little controller as before. It is based on the dual H Bridge L293 chip, which is simple to use. This is a kit, so be prepared to do some soldering of components to the circuit board, however, a knowledge of electronics isn't really needed. There is a web page dedicated to the assembly process which takes you through the process step by step. It takes about a half hour to complete. The shield is controlled by Arduino and is shield plug compatible with the Adruino footprint. Sample code is available with the assembly instructions. It is useful to control a pair of low voltage DC motors drawing an amp or less of current. I use the controller to drive autonomous robotic devices with wheels or tracks, but the controller is good for regulating motor loads for any number of purposes. In use they're fairly rugged, which is to say they have, in my applications, survived lengthy duty cycles over a long time. For a general purpose motor driver, this is a good product.

Always inventory your kit prior to assembly. Don't be surprised if it appears you are missing parts, the board is multi-use and so not all component footprints are used on the board.
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The motor control shield for Arduino is a great kit. However, the picture is not completely accurate. The six total capacitors are all different models from the picture, but my kit works great. Also, they only ship five resistors so two of the ones in the picture are left out. I've tested it and it works fine. My only complaint is that the capacitor nearest the USB jack has leads that touch the metal jack, depending on how you solder it. I saw it too late, so I put a small strip of electrical tape over the jack just in case.

Here's a website that provides pictures on it's assembly and a sample code for testing purposes:

[...]

Overall a 5/5.
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The engineer who designed this, D. Cuartielle, should be well, servery reprimanded - SHAME. I suppose we all make big mistakes in out life and some them of are public, but this was his. For one thing, the pads that connect to ground are not thermally isolated, so it is really hard soldering this.
Next then whole encoder thing is useless, so half the board is a waste.
As has been pointed out, the schematic is wrong, I ended up ohming it out to figure that out. How do you manage that? Also, the directions to assemble it are hard to find and not very clear.
I spent too much time messing with this cursed thing.

Where you hook up the motors is too close to the chip and the holes are too small, and is only labeled motors with no indication of how to connect them.
This guy some how figured you would power the motor off the 9v, and left no provision for hooking up either different voltage and or a beefer supply (it is a bad idea to run the MCU and motors off the same supply).
So if you read this and buy it anyway, good luck!
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I bought this shield originally looking for a good value and to save a few bucks. I'm impressed with the quality of the PCB and the excellent markings on the PCB indicating which components go where. It was very easy for me to assemble in about an hour, however I am experienced at soldering. The design is simple and no-frills, but it gets the job done. I'm using it to control model railroad crossing gates and it definitely fits the bill.

If you're not decent at soldering, I would steer you away from this and towards the pre-assembled boards. The only thing that's lacking is that the documentation could be more complete. Still, it's a great product! After assembling the first one I've already ordered a second.
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