Cheap 2.4GHz Wireless with the nRF24L01

We'll be using these in the robotics class to make a Wiimote based controller.  Here's a few notes, courtesy of Alonso.

• Cheap vendor, about $1 each.
• A HowTo from arduino-info.
• Video demo.
• Arduino Playground notes.

More to come, but I wanted to get this jotted down.

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