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9 years, 8 months ago.
greenLED not flashing for brand new Nucleo ,even after trying theLEDblink program is the boardOK ?
Hi,I just bought a New Nucleo,followed the instructions @ back cover ,got 2 LEDs on but the green Led is not flashing on pressing the button,i t tried LED blink Program too but the green one is not flashing.What could be the problem?Board seems Fine.
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1 Answer
9 years, 8 months ago.
Did you verify all the jumpers? (Mine didn't include the main power jumper for the microcontroller, which is kinda essential. But they do have two spare jumpers).
Thanks Erik for the reply.Its got JP6 and JP5 Jumpers and No Jumper on JP1.This is how it should be right?
posted by 09 Aug 2014That should be it yes.
Is the JP5 jumper at correct spot? (U5V). Does it program correctly? (After programming the drive should reconnect, and there should not be a fail.txt). Did you update the STLink firmware to latest one?
posted by 09 Aug 2014Yes its at U5V.Update went fine,I did try a Serial Communication demo program with TeraTerm,Got "Hello World" to display on TeraTerm window,still no LED Flash on Pushing USER Button (It should as its in the code).
posted by 09 Aug 2014Wait the HelloWorld does work? And if you upload flashing LED code next? (Because I am pretty sure serial demo program does not flash LED, don't pin me on it though).
That said if your code runs fine and only your LED doesn't work, could you try just another pin and doing an LED externally? It sounds like the LED is simply either broken or bad connection.
posted by 09 Aug 2014
I have the same problem... Did you try with an external LED?
posted by mos branca 25 Sep 2014I tried the "Nucleo_read_button" program, you can find it in the template sketch when you are creating a new one. My LED 2 is working! :)
posted by mos branca 25 Sep 2014