![]() The bootloader times out after 8 seconds and goes back to running the sketch, so the upload might fail if Windows does not recognize it quickly enough. If you are using Windows and you have not previously programmed an A-Star device on this USB port, then Windows might take several seconds to recognize the A-Star bootloader. If everything goes correctly, you will see the message “Done uploading” appear near the bottom of the window. Press the “Upload” button to compile the sketch and upload it to the device.Selecting the Blink example in the Arduino IDE. When you select the Blink example, a new Arduino IDE window will open up. The code in this example will blink the yellow LED. Open up the “Blink” Arduino example, which can be found under File > Examples > 01.Basics > Blink.Windows 10 Device Manager showing the A-Star’s virtual COM port. On Mac OS X, the port name will begin with “/dev/tty.usbmodem”. On Linux, the port name will begin with “/dev/ttyACM”. On Windows you can determine what COM port the device is assigned to by looking at the “Ports (COM & LPT)” section of the Device Manager. In the Tools > Port menu, select the port for the device.Selecting the Pololu A-Star 32U4 in the Boards menu. If you do not see your device listed in the Board menu, try restarting the Arduino IDE. In the Tools > Board menu, select the “Pololu A-Star 32U4” entry.After the installation finishes, click the “Close” button to close the Boards Manager dialog.Select the “Pololu A-Star Boards” entry in the list, and click the “Install” button.In the Boards Manager dialog, search for “Pololu A-Star Boards”.In the Tools > Board menu, select “Boards Manager…” (at the top of the menu).Click the “OK” button to close the Preferences dialog.If there are already other URLs in the box, you can either add this one separated by a comma or click the button next to the box to open an input dialog where you can add the URL on a new line.Īdding a Boards Manager index for Pololu boards in the Arduino IDE’s Preferences dialog. Copy and paste the following URL into this box: In the Preferences dialog, find the “Additional Boards Manager URLs” text box (highlighted in the picture below).In the Arduino IDE, open the File menu (Windows/Linux) or the Arduino menu (macOS) and select “Preferences”. ![]()
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