Error Information Analysis of Arduino IDE for Windows

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  • Q:1. The screenshot of error information is as shown on the right.
    • A:The java environment installed on the computer before is defective. Please remove the old version of java and install a new official version.
  • Q:2. The screenshot of error information is as shown on the right.
    • A:The reason is that the serial port is poorly contacted, and the computer hasn’t found core .It is likely that the mBattery is not switched on, you can restack the core or swipe pins on core and so on.
  • Q:3. The screenshot of error information is as shown on the right.
    • A:When compile the program, it report error that library XXXX can’t be found. Find it on website and put it in: {C:\Program Files (x86)}\Arduino For Microduino\hardware\Microduino\avr\libraries ( in the brace is the installation routine of IDE).


  • Q:4. The available internal storage is not enough, that may result in stability problems.
    • A:There are too many variables in this sample program, they occupying too much dynamic memory, you need to change it into a larger core+.


  • Q:5. Can’t upload program two times successively.
    • A:Generally, the reason is the program occupies the serial port, so the core module can’t reset automatically, you should take other modules off at first, only remaining the core module and mBattery or usbttl, and short connect GND and RST pins manually when uploading the program. If it still can’t work, reupload core module firmware.Upload Core Module Firmware
  • Q:6. Core board displays Leonardo on the visual serial port of the computer, which board should be choosed to download
    • A:Choose CoreUSB
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