Jul 7, 2012 #1 J joeman112 Junior Member level 2 Joined Jun 11, 2011 Messages 22 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,459 Hi, Any ideas why this isn't working? I am new to electronics, but Ive done a lot of reading up and I think this should work: Thanks, Joe
Hi, Any ideas why this isn't working? I am new to electronics, but Ive done a lot of reading up and I think this should work: Thanks, Joe
Jul 7, 2012 #2 Z zia Full Member level 5 Joined Sep 24, 2010 Messages 284 Helped 27 Reputation 54 Reaction score 26 Trophy points 1,318 Location Islamabad Pakistan Activity points 2,746 negative switch or give ground to base then chck
Jul 7, 2012 #3 D davoud Full Member level 2 Joined Mar 10, 2005 Messages 146 Helped 39 Reputation 78 Reaction score 39 Trophy points 1,308 Activity points 2,119 1-You should use LED D5 by a resistor 2- You should use NPN transistor for switch. Regard.
Jul 7, 2012 #4 B btbass Advanced Member level 5 Joined Jul 20, 2001 Messages 1,896 Helped 438 Reputation 880 Reaction score 288 Trophy points 1,363 Location Oberon Activity points 12,887 You need series resistors for the LED's to control the current! D5 will short the output from the micro
You need series resistors for the LED's to control the current! D5 will short the output from the micro
Jul 7, 2012 #5 J joeman112 Junior Member level 2 Joined Jun 11, 2011 Messages 22 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,459 Excellent, thanks guys, My real problem was that the wire going to D1 also went to ground (off the initial image) which caused a short.
Excellent, thanks guys, My real problem was that the wire going to D1 also went to ground (off the initial image) which caused a short.
Aug 6, 2012 #6 D.A.(Tony)Stewart Advanced Member level 7 Joined Sep 26, 2007 Messages 9,763 Helped 1,852 Reputation 3,705 Reaction score 2,395 Trophy points 1,413 Location Richmond Hill, ON, Canada Activity points 62,798 That's a problem but a current limiter is still not shown.