Serial Monitor
NyBoard
There are two ways to establish a serial port connectionοΌ
Connect the USB Adapter
Connect the USB adapter to the mainboard and select the correct serial port. Refer to the Connect NyBoard section in the USB Adapter(Uploader) Module for specific steps.
Connect Bluetooth module(optional)
Please refer to the Connect NyBoard section in the Dual-Mode Bluetooth Module for the specific steps.
On Mac, the Bluetooth may lose connection after several uploads. In that case, delete the connection and reconnect to resume the functionality.
The Bluetooth dongle is not included in the kit sold by Seeed Studio or its partners. Please write to support@petoi.com for more information.
Setup steps in the Arduino IDE
Select the port in the Arduino IDE(recommend version 1.8.19).
If you can't determine which port is correct, unplug and re-plug the USB data cable on the computer side and check the difference in the Tools menu.
You may install the drivers if no new port is shown in the menu list.
Open the serial monitor.
You can choose the "Serial Monitor" in the Tools menu bar or click the 
button to open the serial monitor window:
Config the parameter of the serial monitor.
In the serial monitor, set "No line ending" and the baud rate to 115200.
With the USB adapter / Bluetooth module connecting NyBoard and computer, you have the ultimate interface - Serial Monitor to communicate with NyBoard and change every byte on it(via sending the serial commands based on the serial protocol).
BiBoard
There are two ways to establish a serial port connectionοΌ
Connect the mainboard and computer using a USB type-C data cable(you should use the original one in the kit).
Connect the mainboard with a computer / mobile app via Bluetooth.
The setup steps in the Arduino IDE are identical to those in Ablove.
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