uln 2003

[deepanshu lulla]

sir my 15 pin of uln 2003 thats connected to motor works but not the
16 pin..
16 pin is not giving any output..what to do sir?

[Shikhar Chouhan]

First of all check that you are getting input at 1st pin, then you
should check the 16th pin for output.
Alternatively try giving input of 1st pin to the 3rd pin and take the
output from 14th pin.

If you wish to understand the pin configuration and internal circuit
of ULN2003
check this out
http://www.digital-diy.com/digital-diy.net/Handy%20Tips/Resources/ULN2003%20internal%20picture.PNG

Regards
Shikhar