Discussion in "Project Addition or Changes" started by    mehtadhaval07    Jul 20, 2009.
Mon Jul 20 2009, 06:42 pm
#1
http://www.8051projects.net/downloads185.html

In this project can you explain me what is the function of ULN2803?
Is it to drive the relays?
if yes then can i use relay driver circuit made of transistor, driving relay from a separate 12v supply?
Mon Jul 20 2009, 08:41 pm
#2
Yes, but I'd replace that cap with a snubber diode.
Tue Jul 21 2009, 06:59 pm
#3
Thank You

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