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[on:]

i have 4 leds connected to 4 different ports and one common GND, first 2 leds work perfectly fine but once it gets to the third and fourth led, they seem to have low electric current flowing through them...

[Reply #1 on:]

i have 4 leds connected to 4 different ports and one common GND, first 2 leds work perfectly fine but once it gets to the third and fourth led, they seem to have low electric current flowing through them...

[Reply #2 on:]

Are all 4 ports set to outputs with pinMode?

[Reply #3 on:]

thank you!!

[Reply #4 on:]

Wiring diagram. Code.

Thanks.

[Reply #5 on:]

low electric current

The electric company didn't provide quality electronics. The fault has nothing to do with your hardware  / software.

[Reply #6 on:]

http://arduino.cc/forum/index.php/topic,126973.0.html

[Reply #7 on:]

low electric current

The electric company didn't provide quality electronics. The fault has nothing to do with your hardware  / software.

The hardware that we cannot see, and the code that is not provided.

[Reply #8 on:]

Cross posting wastes time.
Don't do it.

Threads merged.

[Reply #9 on:]

Don't forget current limiting resistors or all 4 will eventually be dim...