×

SparkFun Electronics will be closed on November 26, 2020 and November 27, 2020 for the Thanksgiving holiday. We will begin normal operations at 9:00 AM Mountain Time on November 30, 2020.

×

Please see all COVID-19 updates here as some shipments may be delayed due to CDC safety and staffing guidelines. If you have an order or shipping question please refer to our Customer Support page. For technical questions please check out our Forums. Thank you for your continued support.

Member #587056

Member Since: August 20, 2014

Country: United States

  • I am having problems getting the serial monitor to work. I looked in the forum and followed the suggestions to:

    1. Put a reset between 5v and the Reset Pin
    2. Put a capacitor between GRN and the Reset Pin
    3. Add delay after Serial.begin

    Nothing has helped. I have a simple program flashing an LED and writing to the Serial monitor. It works on an Uno but on the MEGA nothing is printed to the serial monitor. This is a huge pain for debugging!