Hi, I have the Arduino Uno starter kit with Arduino uno R3. I have managed to load the blink sketch but the onboard pin 13 LED does not blink. If I connect an LED to pin 13 and GND it blinks, so it seems the program is working but the onboard LED is faulty. Do I have to replace the arduino or could…

Arduino Uno pin 13 LED not working (external LED works)

kalamkatir September 18, 2022, 10:37pm 8

Essayez de passer le bout de votre fer à souder sur les deux bornes de la LED intégrée.
Ça devrait ressouder ce composant.

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