How to identify the old and new versions of 86Duino Zero

Next to the USB-HOST connector on the 86Duino Zero, you can find the text starting with “DM222,” as shown in the figure below:

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If it is marked with “DM222A”, the 86Duino Zero is an old version; if it is marked with “DM222B”, the 86Duino Zero is a new version.


86Duino Zero hardware description page

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