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Unread 02-07-2002, 12:32
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as i remember from my teams tests, we had found that when the voltage drops below 9 volts the low battery light comes on (this is default for it) and stays on (as soon as it drops below 9 it will turn on and it will stay on until you robot reset)... when it gets below 8 as told to me by one of our electrical engineers the radio controller doesnt have enough power to function so the no data/radio signal led comes on (this one is an orange light). on our prototype this last year, which we used for driver practice, we would run our batteries down as far as they would go before the robot started to 'spaz' (not function properly or at all). we would find that the no data/radio signal light was on most every time and the battery voltage was usually around 8 or 9 (sometimes even 10). we would then give the robot a full reset and see how much longer we could run the battery because we often only had a couple batteries to work with for our few hour driving practice so we had to make them last. now as i remember right, sometimes the basic run error light was on at this point. come to think of it im not sure if it was the basic run error but it was a red led. but anyways no matter what you do when the battery voltage drops down to like 8 or 9 volts its best to change it... depending on the robot and how much other stuff ur running on it you may want to change it at like 10. and just to support what i just said... in our practices we have had voltage drops down to like 6. i know we have had it reset but i think it was programmed to reset at some point. not sure on this but as far as i remember the controller itself isnt the power hog here.
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