There is not to many UAV/Drone forums out there and most people are pretty friendly on this forum with good ideas and positive moods. Unless your product is bad most people are openly excited about new products coming out. Please dont insult us just because we dont reply to you! You have not...
not knowing but APM but the most common thing is motors spinning in right direction and props on the right motor. this probably the number one cause of newbies flipping there first builds.
those pcb boards are cheap i would just buy a new one and be done with it. You could try soldering it to VCC join on the nearest ESC like you said but i dont think it will work. What the worse thing that could happen? haha