Here's the perfect, low-cost way to introduce 2.4 to your arsenal. This short-range combo is great for park flying and indoor flying models, or robots that will be operated within 100 yards line of site.
This is our prebuilt HD2-S robot modified with a 5 axis robotic manipulator arm. This robot is loaded with all the options including a programmable Arduino. Ready to ship. We will supply the Source Code.
SparkFun's minimal design approach to Arduino. This is a 5V Arduino running the 16MHz bootloader.