Arduino Powering Multiple LEDs from External Power Source

system · May 3, 2014, 5:54am

The minimum voltage for the round ext. dc power jack is 7V. Is that where you connected the 5V /10A power supply the second time?
What is the status of the 5V /10A PS?
You said the leds & arduino are still working so what is not workig?

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Arduino Powering Multiple LEDs from External Power Source

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