I have been using KK2.0 since I built my first Quadcopter. I am very happy with this affordable flight controller and here is my reivew.

I had a problem with my quadcopter being very unstable and occasionally flip on take-off. It is flyable but is very difficult to hover. Someone suggested that I should check the PID settings. However whatever I …

PWM and PPM are two of the radio receiver protocols used to transfer data from RX to the flight controllers. In this article we will explain the differences between them and how to convert one …

As we know there are gyro sensors on multicopters, and some of them even have an accelerometer. Multicopter that are equipped with gyros and accelerometers can achieve stabilization requiring little even no control from the …

When I first started with Multiwii, I was completely lost with all the flight mode names in the GUI. I can roughly figure out or guess some of them, and what they do, but I wasn’t …

1811 Brushless Motor Sepcification The 1811 motor have many versions with different rotation speed, 1500kv, 2000kv, 2900kv and 3800kv. I own the 2000kv and 2900kv, and I found the latter is more powerful and generates …

I have recently had some experience mounting the hobbyking 5030 propellers on the prop savers that comes with the 2mm shaft micro motors (e.g. hextronic 1811 2000kv or the Turnigy 1811 2900kv) on my micro …