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LiPo battery mystery

One brand new Tenergy 3s 5,000 mah battery is fully charged with a balance charger and flown in an arducopter quad for 16 minutes.  My battery alarm goes off at 10.8 volts (3.6 volts per cell on a 3s lipo) and I promptly land.  Before re-charging I c

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Speech - Possible to get GPS warning?

Hello,

I am really happy about the speech function in the Mission Planner. I am using a bluetooth ear piece to listen for warnings while flying. As the APM2 is a safety device for bringing home my Octo  if the primary rc link fails, I would really lik

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Bluetracker - Long-range finder

Full disclosure first, I do not work for and am not affiliated with this company.  It looks like a very promising concept to prevent the loss of our expensive copters.  I ordered some of their Stick-N-Find bluetooth stickers, and now they are offerin

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