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Topic: l293dne motor driver problem (Read 1 time) previous topic - next topic

miros

Jan 23, 2012, 06:38 pm Last Edit: Jan 23, 2012, 07:08 pm by miros Reason: 1
Hi guys,
I have litlle problem with l293dne.i was making this: http://letsmakerobots.com/node/2074
but it didnt work. i realized when i get 5v to input(pin 2 on l293dne) it does nothing however when it get ground to input it works.did it happen to you? can i fix it?

MarkT

We need a little more information perhaps - what are the other inputs doing?  You realize that for the motor to turn you need to drive one wire high and the other low - so the two inputs for that motor need to be opposite logic levels to produce motion.
[ I won't respond to messages, use the forum please ]

miros

i fixed it really easy. i connected 10k resistor from input pins on l293 to ground. i also connected input pins to arduino and it works.

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