5. FAQ

1.Q: What type of battery does the NANO PLUS expansion board require?

A: A 6F22 9 V battery. Dimensions: thickness 26.5 mm, width 17.5 mm, height 48.5 mm.

2.Q: What should I do if an error occurs while uploading a sketch to the NANO PLUS board?

A:

Check whether the USB COM port is correct.
Verify that the selected board model in the IDE matches your hardware.
Remove the Bluetooth module before uploading code; reinstall it after a successful upload.

3.Q: What if the MPU6050 reports an ID of 0xFF?

A: Make sure the MPU6050 module is correctly seated on the expansion board.

4.Q: How can I correct large deviations in the Euler angles from the MPU6050?

A: Keep the MPU6050 level before data collection. Press the reset button and wait about 3 s for re-initialization.

5.Q: Can I attach additional modules to the expansion board?

A: Yes, you can.

6.Q: The NANO PLUS board shows no response and the power LED is off after power-up. What should I check?

A: Verify the 9 V battery level. The normal operating voltage range is 6 – 9 V.

7.Q: May I connect an external power supply to the expansion board?

A: Yes, but it must be a regulated 5 V supply.

8.Reference Links

Official website:
https://www.keyestudio.com/