
81Experiment 4: Raspberry Pi Pico
On a Mac, you may see a message:
"Arduino IDE.app" would like to access files on a
removable volume.
If you get that message, click OK.
Now, you should see the onboard LED of the Pico blinking slowly. (Check
Figure 4-4 if you have forgotten where the LED is located.) If this is all
good, you can skip the rest of this section and proceed to the next one,
telling you how to connect an LCD screen to the Pico.
TROUBLESHOOTING
You may encounter an error message in the IDE window telling you
Upload Error: Failed Uploading: no upload port provided.
When programming a new Pico microcontroller for the first time, it ...