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hardware circuit for 8 relay interface card
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vmax
Fri Feb 22 2008, 12:03AM
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I am doing a project on controlling 8 relays from Microcontroller.
I have done all the coding for Controlling relays.
I need hardware Circuitary Between the relays and Microcontroller, something like the board from onlinetps.com.
here is the link for that board.

http://www.onlinetps.com/ViewItam.php?ItemID=193.

Can any one tell me which IC's has been used in that board? or what is hardware Circuitary in that board?

Thank you.....

vmax.



[ Edited Tue Jul 01 2008, 12:44PM ]
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sashijoseph
Fri Feb 22 2008, 07:27AM

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Must be ULN2803-octal darlington array..
Let there be music........
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