ardupilot

Hi I am new to Quadcopter. Recently, I built a F450 frame quadcopter with APM 2.8 and I use Mission Planner 1.3.45 with ArduCopter firmware V3.2.1. I do a motor test, all works for me except test all in sequence. When i test all in sequence only the first motor (top right) spins, then nothing...

tldr: I need a cheap drone (quadrocopter) or a flight controller, so that I can control a drone with an Arduino or Raspberry Pi to implement a landing and cargo pickup routine. What drone or flight controller do you suggest? I am currently beginning my final university project for my bachelor...

The flight controller is flashed with Ardupilot, so I'm using Mission Planner for all configurations. The issue I'm having is that whenever I push the throttle to the center or above 50% the drone takes off. However, without me moving the throttle up or down, it keeps falling down after...

Hi I've been researching for a while regarding my first quadcopter build and I was looking to get some advice from the forums. I'm planning a 450 frame with Emax MT2213 (935Kv) motors and 8" props. I was going to pick up the Anniversary Special Edition Racerstar REV35 35A for £20 from banggood...