Aug 5, 2013 #1 S saurabh252 Newbie level 6 Joined Feb 20, 2012 Messages 14 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,361 when i implemented this circuit on bread board it works fine but i am not able to get it on PCB. when ever i supply 555 with 9v it starts heating up. below are the schematic and board file attached. - - - Updated - - - its a simple delay circuit. help me out. Attachments 555_brd.pdf 183.1 KB · Views: 91 555_sch.pdf 69.6 KB · Views: 79
when i implemented this circuit on bread board it works fine but i am not able to get it on PCB. when ever i supply 555 with 9v it starts heating up. below are the schematic and board file attached. - - - Updated - - - its a simple delay circuit. help me out.
Aug 5, 2013 #2 P pradeep.g.belchada Full Member level 6 Joined Sep 29, 2006 Messages 341 Helped 85 Reputation 170 Reaction score 85 Trophy points 1,308 Location MUMBAI INDIA Activity points 2,671 fault will be in the relay it is drawing the current
Aug 6, 2013 #3 P pjmelect Advanced Member level 2 Joined May 13, 2012 Messages 576 Helped 127 Reputation 254 Reaction score 131 Trophy points 1,323 Activity points 5,870 Why has the PCB got pin 3 connected to pin 2 and 6?
Aug 6, 2013 #4 S saurabh252 Newbie level 6 Joined Feb 20, 2012 Messages 14 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,361 pjmelect said: Why has the PCB got pin 3 connected to pin 2 and 6? Click to expand... ya i think that's the problem..pin 3 should not connected to pin 2
pjmelect said: Why has the PCB got pin 3 connected to pin 2 and 6? Click to expand... ya i think that's the problem..pin 3 should not connected to pin 2