neilstreet6036 Posted August 22, 2014 Report Share Posted August 22, 2014 Hi, I have 4 arduino mega's running through a usb hub. When i try and add them through the add arduino script, it returns a 'cannot communicate with device' error. If i plug only one arduino into the hub at any time i can communicate with each. Each has its own tty device assinged on the raspberry. pi Any ideas please? Thanks, Neil. Link to comment Share on other sites More sharing options...
Felix Posted August 23, 2014 Report Share Posted August 23, 2014 Is the hub self powered or powered from the pi? If the hub is not self powered, the pi may not have enough current to run the hub and 2 or more Arduinos. If you don't have a power problem, could you copy the Script line that works and the ones that don't into your next message? Link to comment Share on other sites More sharing options...
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