umairmian2002
Newbie level 4
Dear ALL,
i want to drive relays from uln2003 but the problem is that in normal conditions when their is no connection between 8051 and uln2003 8051 will show 0 and 5v as per my logic but when uln is attached it will drop the 8051 to o and 3v and relay is not on which i want to on.
i am giving uln 5v and 12v for testing a relay operating at 6v ,but all invain please help how can i put on the relay wit 8051 and uln2003. thanks in advance.
i want to drive relays from uln2003 but the problem is that in normal conditions when their is no connection between 8051 and uln2003 8051 will show 0 and 5v as per my logic but when uln is attached it will drop the 8051 to o and 3v and relay is not on which i want to on.
i am giving uln 5v and 12v for testing a relay operating at 6v ,but all invain please help how can i put on the relay wit 8051 and uln2003. thanks in advance.