im messing around with my new arduino uno and im unable to get my 10mm led to blink. it is wired to the arudino correctly and the led is on. Im connected to serial port 3 and im using the uno board on the programmer. When i send the correct blink code to arudino the TX and RX flash, but pin 13 led d…

brand new, pin 13 not blinking when uploading blink code

cmiyc December 26, 2012, 1:14am 6

Does the led on pin 13 blink if the led isn't connected?

Are you sure the upload is completing without any error messages on the IDE?

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