Sep 3, 2012 #1 R rizzy_dascal Member level 2 Joined Apr 9, 2012 Messages 47 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 1,613 Hi, Could somebody please look at the enclosed picture and see if they can explain the connection problem for me please. thanks in advance Rizzy
Hi, Could somebody please look at the enclosed picture and see if they can explain the connection problem for me please. thanks in advance Rizzy
Sep 4, 2012 #2 Jestin_cubetech Advanced Member level 1 Joined Jun 24, 2012 Messages 499 Helped 76 Reputation 152 Reaction score 73 Trophy points 1,328 Activity points 3,697 Re: Interfacing with ULN2003a ULN2003A Interface
Sep 4, 2012 #3 U ud23 Advanced Member level 3 Joined Apr 20, 2011 Messages 926 Helped 185 Reputation 370 Reaction score 180 Trophy points 1,323 Activity points 6,138 Re: Interfacing with ULN2003a your relay and uln2003 com is +24v supply and your +24v and pic+5v supply ground you have to make them common for your circuit working.
Re: Interfacing with ULN2003a your relay and uln2003 com is +24v supply and your +24v and pic+5v supply ground you have to make them common for your circuit working.
Sep 4, 2012 #4 A adeel abid Junior Member level 3 Joined Sep 4, 2012 Messages 26 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,467 Re: Interfacing with ULN2003a Both PIC and ULN should have the same ground. it does not matter whether gnd is of 5v or 24v. - - - Updated - - - Both PIC and ULN should have the same ground. it does not matter whether gnd is of 5v or 24v.
Re: Interfacing with ULN2003a Both PIC and ULN should have the same ground. it does not matter whether gnd is of 5v or 24v. - - - Updated - - - Both PIC and ULN should have the same ground. it does not matter whether gnd is of 5v or 24v.
Sep 4, 2012 #5 R rizzy_dascal Member level 2 Joined Apr 9, 2012 Messages 47 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 1,613 Re: Interfacing with ULN2003a Thank you gentlemen, I sort of guessed that this might be the case, the fact that isis pro and other apps hide the ground does not really help matters... Thanks again Acestu
Re: Interfacing with ULN2003a Thank you gentlemen, I sort of guessed that this might be the case, the fact that isis pro and other apps hide the ground does not really help matters... Thanks again Acestu