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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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.
Honest reviews on Motor control shield KIT for Arduino
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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