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Topic: arduino + 2 steppers over 2 L293D do scrach (Read 806 times) previous topic - next topic

pistojo

May 25, 2012, 12:50 pm Last Edit: May 25, 2012, 01:40 pm by pistojo Reason: 1
Hi all, I am making a small robot, stepper motors with two oki, of 3.7vy 6.8 ohm. and in driver L293D, the axes I have connected the wheels directly, 5v feed them. , In the air works fine, but when I put it on the floor of the wheels do scrach
thanks for all.

cyclegadget

Quote
5v feed them.


Where do you get the 5v from? The Arduino 5v supply can not supply motor power, it can not supply that much current.
Good links: Eagle tutorial= http://www.youtube.com/playlist?list=PLDE1858BD83D19C70
General Arduion tutorials = http://tronixstuff.wordpress.com
http://www.gammon.com.au/forum/bbshowpost.php?bbtopic_id=123

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