Editing Big LED Screen
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[http://www.flickr.com/photos/31848713@N00/3429916211/in/photostream/ Detail of our breadboard (picture)] | [http://www.flickr.com/photos/31848713@N00/3429916211/in/photostream/ Detail of our breadboard (picture)] | ||
[Media:ledscreen-sch.png] | |||
==== LED Hardware ==== | ==== LED Hardware ==== | ||
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=== Pin connections === | === Pin connections === | ||
Here are the pins that need to be connected other than power and ground: | Here are the pins that need to be connected other than power and ground: | ||
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=== Programming the xbee === | === Programming the xbee === | ||
To control the sign wirelessly, you will want to program an xbee chip to interface with it. I recommend the "xbee explorer" from sparkfun. To program your new xbee, you will need to make sure your xbee has a recent enough firmware (10A5 is recommended). Unfortunately firmware upgrade must be done using Digi/MaxStream's "X-CTU" application which runs under windows | To control the sign wirelessly, you will want to program an xbee chip to interface with it. I recommend the "xbee explorer" from sparkfun. To program your new xbee, you will need to make sure your xbee has a recent enough firmware (10A5 is recommended). Unfortunately firmware upgrade must be done using Digi/MaxStream's "X-CTU" application which runs under windows. | ||
Once you have your xbee connected to your computer, you can use xbee-pgm.pl to set it up to talk to the sign such as the following: | Once you have your xbee connected to your computer, you can use xbee-pgm.pl to set it up to talk to the sign such as the following: | ||
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For further information, UTSL. | For further information, UTSL. | ||