I am working in a proyect with intel edison, but I need two serial communications by USB ports, I tried to disable getty on MFD2 to use it as a serial port (I am alredy using ACM0), but when I tried to connect my devices both were in device mode, so there was not alimentation for yhe communication. I tried to connect them with an Y usb cable, but did not work, can MFD2 be used as host instead a device????? Or how can I connect two USB in device mode???? I don't need nothing special, just send strings by serial communication.
Thanks to everyone!!!!
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I would advise you to use an external power supply. If you're using the breakout board you can plug it in the two pins on the edge of the board like in the example below:
Hope this helps.
If you're using the expansion board you should be able to get power through the normal 12v power supply jack located on the upper right side of the board: