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Cheap Arduino Wireless Communications
Posted October 21, 2013 by Chris
"I was looking for a way to handle wireless communications between two Arduino boards. Other options like Xbee or Bluetooth were going to cost $50 to over $100. Then I found a cheap RF transmitter and receiver at Sparkfun. The total cost is only $9!"
One Response to “Cheap Arduino Wireless Communications”
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October 27th, 2013 at 3:51 am
Have a look for the Nordic Semiconductor nRF24L01+. These give you a bidirectional link at up to 2Mb right across a typical house and can be found on eBay for just over $1 each.
A good introduction to using them with Arduinos (along with a pre-written class) is at http://maniacbug.wordpress.com/2011/11/02/getting-started-rf24.