Here is my quad video:
Power board doesn't exists, just I soldered + wires together and - wires together.
APM 1.4 with latest ArduCopter code. Uploaded via Mission Planner.
Did leveling process successfully
Did radio setup process successfully
Did frame set to + mode
Before everything just erased eeprom using erase command on terminal
IMU Shield is attached as you may see in video
ESCs calibrated all at once successfully.
Propellers CW and CCW successfully attached and front, back, left, right attached to APM properly.
Frame is made from Balsa Wood.
ESC: DualSky ESC 25A
Motors: DualSky 980KV (XM2830CA-12)
Battery: 3000mah 11.1V 30C
Entire quad weight: 910 grams
What do you think now?