Discussion in "Hardware" started by    vmax    Feb 22, 2008.
Fri Feb 22 2008, 01:33 pm
#1
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 Wed Jul 02 2008, 01:14 am ]
Fri Feb 22 2008, 08:57 pm
#2
Must be ULN2803-octal darlington array..
Tue Feb 10 2009, 10:07 am
#3
how to make p.0 p.1 p.2 output and controll by visual basic

thank's
Wed Feb 11 2009, 03:23 am
#4
exo ed, this is not right place to post
Please post in 8051 discussion forum.

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