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Alex Rivera
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I'm trying to use ruby to do a simple read + write operation to a serial port. This is the code I've got so far. I'm using the serialport gem. require 'rubygems' require 'serialport' ser = SerialPort.new("/dev/ttyACM0", 9600, 8, 1, SerialPort::NONE) ser.write "ab\r\n" puts ser.read But the script hangs when it is run.
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