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pusink
11-02-2010, 07:26 AM
i have some problem to interface propeller and l293d..i already send from outa[13] to IN1(l293) = H and from outa [14] to IN2(l293) = L....but motor not running...i dont know why???


(PROP) (L293)
13 (3.3V)--------> IN1
14 (0v) ---------> IN2
EN1 = 5V
VS(8) = 5V
VSS (16) = 5V

Phil Pilgrim (PhiPi)
11-02-2010, 07:31 AM
You have DIRA[13..14] := 1; I think you meant DIRA[13..14] := %11.

-Phil

pusink
11-02-2010, 07:43 AM
yup...i already just fix it...but...still motor not running...i measure terminal out1 and out2 is 5v.

agfa
11-02-2010, 11:54 AM
I would try to get it working without the propeller first. Have you tried that? You do have it grounded, right? Have you tried the other set of I/O's on the L293?

pusink
11-03-2010, 04:41 AM
tq very much phil and agfa for helping me...my motor now is OK...