Hi, I use GCodePrintr via Bluetooth.

3D Printing GCodePrintr
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Hi, I use GCodePrintr via Bluetooth. Since I changed to this mode, I can’t print anymore via the USB port. I can connect via USB Cable to the Marlin, but Marlin does not respond to G code.
Q: is this the normal behavior ? Is there any way to change back and forward either BT or USB?
Thank you Jakob

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Hi Jakob, on my ramps board I have to disconnect the bluetooth module before I can use USB again (it shares the same IO port)