"Also to add. 12.6V is a fully charged 3S lipo so you didn't overcharge it. The charger will automatically stop charging once it is at that voltage if you set it up correctly and you use the balance lead.
It could be that either you left the…"
I am still worried that you might have a dead cell in your battery as that would explain the esc desync issue but if that is not the case then I am not sure. Have you plugged in all the 5v esc wires into the pixhawk? If you haven't…"
"Can you explain your problem? Do the motors spin, are the props on correct motors, have you calibrated anything, what are those props, did you follow any guides etc.
Just saying that "I can't get it flying and can't figure out what is…"
I have no experience with this but after some google-fu I think this might be the answer:
First I saw this in Velodyne's manual:
Did you do that? If not I think you should be able to do it in Ublox u-center software.
You can connect…"
A pcb could be anything, it us probably just a voltage regulator and power distribution board that is built in.
You will need escs and a flight controller. 2s won't give you enough lift i think so go for 3s or if you wobt go with…"
"Sorry but, oh my.
The parts are compatible (sort of, read on) but you will like to fly with at least 3s LiPo Batteries and after those things you will need a flight controller. If you want to use gps then I'd say either a pixracer or an apm…"