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First Lego League in Virginia and DC


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Laura Dysart <[log in to unmask]>
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Laura Dysart <[log in to unmask]>
Sat, 9 Oct 2010 12:50:28 -0400
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Last year we learned the lesson of battery power and consistency in  
missions. this year we decided to use the rechargeable and just fully  
charge it before each practice session. It has been behaving strangely  
at times and then I noticed someone's comment throu VADCFLL on the  
memory of the rechargeable being iffy and not so reliable and  
consistent on missions.  The person who said use fresh double AA's- do  
you swap them out at every practice?  It seems so wasteful but seems  
like one of the few solutions for reliability- with one mission  
building on another- the loss of power over time throws the whole  
larger program off.  Our group gets pretty frustrated by the change in  
behavior- it's ok to have that be the lesson- but it's hard to make  
progress.  We also learned the lesson of saving as you go along- team  
members worked for 2 hours- had a good program- someone stepped on the  
power swithc for the computer- bye-bye program- learn the hard way!  

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