Failed uploading: COM5: Access is denied

I am using the Arduino Uno to upload code to my AD8232 amd Bluetooth HC-05. I am running a very basic setup/loop code. The code compiles to a 100% but won't upload


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It's not passing the blink test too.. I have changed the Arduino, is the problem with something else?

Everybody is having the same problem and we can't figure out how to fix it.

Check that:

  • The serial monitor is not open on that port.
  • The serial plotter is not open on that port.
  • Another terminal program is not open on that port.
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This is a different problem as it involves the IDE, not the Cloud Editor.

Adding to van_der_decken

If the HC-05 is connected to the Tx/Rx pins, disconnect first. Anything connected to the Tx/Rx pins can interfere with uploads.

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