werid problem when useing wall outlet

i tested out a idea i have and it works fine when i have it plug in to the usb port.
i just got this kit and the wall outlet plug(uno board). never tried the plug out till this night.

my project is fading 2 rbg leds using six pwm pins. when ever theirs more then 3 pwm hooked up it acts crazy like it is turn off and on real fast. the built in led with the L next to it flashes like when u hit the reset.

plug in to my mac and it works fine.

is my wall wart bad?

is my wall wart bad?

Sounds more likely that it doesn't have a large enough current rating to support your applications. The USB power is limited to 500ma of current, so if your AC adapter is rated at that or above it should work. So can you read us the electrical specs of your AC adapter, volts and amps?

Lefty

figured it would be fine since it came with the kit and im lighting 2 leds lol.

input:100-240v 50/60hz 0. 15a
output 9.0v----0.66aa

Sometimes the specs on an adapter are a little ... optimistic.

Try reading the 5V pin on your Arduino with a meter - see if it is in fact 5V.

Oh, and does the wall outlet actually say it outputs DC? And with positive on the center (inside) pin?

ive been stuck away from my home cause of work. i bought this kit from adafruit. i figured since it came as a all in one starter kit from them it would work.

side note after i made my last post i tried the 9v battery case that came with the kit. that works fine. so its not the jack on the board.

iam thinking the wall plug is messed up . tips on testing that?

iam thinking the wall plug is messed up . tips on testing that?

Plug a table lamp into the outlet and see if it burns at normal brightness.

Lefty

lol i should of said the wall wart. my house plugs are fine. iam running on no sleep.

Warwickben:
lol i should of said the wall wart. my house plugs are fine. iam running on no sleep.

Well you then should plug the power adapter into your arduino board. Then using a multimeter in the voltage position, read the voltage from pin Vin to ground.

Lefty