The first pic in this thread shows the xbee with adapter on top of a carbot that steers like a tank.
Hi, I've been surprised at the cost of XBee also. Just seems out of whack with $25 Arduinos... I have put up a How-To for the Nordic Semiconductor nRF24L01 series. These were designed for very low-cost 2.4 GHz applications and now there are added versions with 100 mW power amplifiers and low-noise receiver preamplifiers for range up to 1000 Meters. Starting at $4.75 for chip and antenna on a breakout board, I think they can't be beat. There is a very good RF24 Library for these from ManiacBug, who says, "The Nordic nRF24L01, built into a small module and sold by mdfly.com for $6.50 (and YourDuino.com for $4.75) is an excellent solution. It's cheap, fast (2 Mbps), easy, reliable, and low-power. It entirely implements the Data Link Layer in hardware, handling addressing, collisions, and retry, saving us lots of work on the software side. Zigbee has the brand recognition, but this little guy puts it to shame."The How-To is here: http://arduino-info.wikispaces.com/Nrf24L01-2.4GHz-HowTo Regards, Terry King...In The Woods In Vermontterry@yourduino.comDISCLAIMER: Mentioned stuff from my own shop...
Thanks for the answers!I will look into zoomkat's idea. My only question is what are you doing for motor control? Are your servos wired up directly to the Arduino?
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