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Originally Posted by arpus maximus
We were using a 9V AC adaptor to power the OI, which would seem to be enough (we don't have the original AC adaptor included with the OI, but I believe it was a 9V adaptor). Is it possible that we should use something with MORE voltage, such as a 12 or 15 volt adaptor?
However, the OI says "Low Battery" while using the bootleg 9V adaptor that we found lying around.
Also, we tried setting the receiver and the transmitter up within a few feet of one another, and yet they still didn't work.
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You need to use the provided AC adapter. I believe the OI requires 1.5 amps at 9 or 12 VDC (not 100% sure which), most "wall-wart" transformers can't provide this. This would explain your radios not working properly. I've seen OIs only partially light up and do all sorts of wierd things when they aren't getting enough juice.
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What is a dongle? That sounds funny. In any case, I doubt we have one.
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They are referring to something that plugs into the competition port on top, which would be used to change channels, disable the robot at a competition, etc.