Please recommend a stable autonomous/semi platform (multicopter) that can lift custom payload (say 3-5 kg) with safety features. I want a comparatively cheaper solution RTF/ARF to demonstrate in a drones competition.
Also I need to know what might happen if after lifting the package from designated location and flight to destination, its battery is fully discharged? can autopilot/APM monitor battery and return home/or designated location when only reserve charge is left?
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