I connected 3.3VDC to the power of the BT board. I connected a LED with a resistor 1K at 13 and GND. When I uploaded compiled "blink" tutorial program, I've got following error messages. (Arduino 0009alpha program is running) java.lang.NullPointerException at processing.app.Serial.setDTR(Serial.…

Help: Arduino BT uploading problem

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