Arduino - A Quick Start Guide(6)
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USING SERIAL PORTS 56 Figure 2.5: Configuring Putty to make it work with Arduino After you have configured Putty, you can open a serial connection to the Arduino. In Figure 2.6, on the next page, you can see the corresponding dialog box. Click Open, and you’ll see an empty terminal window. Now press 1 and 2 a few times to switch on and off the LED. In Fig- ure 2.7, on the following page, you can see a typical session. Serial Terminals for Linux and Mac OS X Linux and Mac users can use the screen command to communic ate with the Arduino on a serial port. Check which serial port the Arduino is connected to (for example, in the IDE’s Tools > Board menu), and then run a command like this (with an older board the name of the serial port might be something like /dev/cu.usbserial-A9007LUY , and on Linux systems it might be /dev/ttyUSB1 or something similar): $ screen /dev/cu.usbmodemfa141 9600 screen expects the name of the serial port and the baud rate to be used. In Figure 2.8, on page 58, you can see a typical session. To quit the screen command, press Ctrl-a followed by Ctrl-k. Report erratum this copy is (P1.0 printing, Janurary , 2011) Download from Wow! eBook <www.wowebook.com>
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