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Re: RC controllers and receivers
Many teams in the collegiate FIRST pilot competition this year used hobby r/c radio connections for the air and ground vehicles. I wish I could remember what they were called, but there were two brands that were on either side of 2.4 GHz (just outside of Wifi). The transmitter and receiver are tiny and light (think r/c aircraft) and still quite robust. There are also speed controllers of similar scale and performance, also in the hobby r/c area. If I can remember what exactly they were I'll be sure to let you know.
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