Motors dc 3v shield

Forum 2005-2010 (read only) Hardware Interfacing
1

Hello everyone,
i would like to know if there is a shield for the arduino one that supports the control of three motors DV 3 volts.

I appreciate the help,
thanks

2

I think they all do. Just feed it with a 3V motor supply and it will be switched.

3

yes it works with a 3v supply, but i know there is a motor shield that supports the direction control and speed.
but the shiels i saw only supports 2 motors :frowning:

thanks

4

Oh sorry I get you now it was the number of motors rather than the voltage that you were puzzled about.
It is unlikely because generally the ICs that make up these shields can control two motors so if you had control for three you would be wasting half the chip. There is nothing to stop you stacking two shields together or even building your own.
http://www.thebox.myzen.co.uk/Workshop/Motors_1.html

http://www.thebox.myzen.co.uk/Workshop/Motors_2.html

5

Thank you,

i'm a programmer, i don't understand electronic circuits,
a done shiels would make my life easy.

anyway, thanks again

6

a done shiels would make my life easy expensive.

FTFY.

The truth is, without understanding the electronics side of things, even with a shield you may run into issues that will either a) leave you stumped as to what the solution is, b) burn out the shield, or c) make you have to buy a different shield in the hopes that it will work better and/or replace your burned out shield.

In other words, you are making stabs in the dark without understanding what you are doing, and it will inevitably cost you money in the end (if not your sanity).

If someone was attempting to write a program without knowing how to program, they generally don't get very far (we see that all the time here on this forum). Rarely, though, do they end up costing themselves a lot of money if they keep stumbling along (computers are forgiving this way - at least nowadays - way back when, a bad program could cause some interesting issues, including breakage).

If time is money, however, such an attempt could end up costing a lot of money. So, what do people usually do who need a program written but don't know how to write it themselves?:

  1. They learn how to program - picking up a book, taking a course, practicing, etc - for a while, until they get it right.

  2. Hire someone else to do it for them.

  3. Look, hope, and pray that an existing solution will do what they need (rarely does it do everything they need, unless their needs are simple).

You seem to be following the logic of #3, when the fact is, if you don't understand electronics, #3 can get expensive real fast - because you don't understand the needs of the shield, the needs of what you are connecting to the shield, how it all works together, and how one influences the other. If you are lucky, the magic smoke doesn't come out. You generally don't get to be that lucky, that often, when it comes to electronics - unless you understand what is going on.

Welcome to a (potentially) expensive new hobby...

:slight_smile: