FPV with your smartphone

One of the most fun (and hard! 😉 ) way to drive a quadcopter (or drone, as it’s often called) is FPV (first-person view): thanks to a camera on the front of your quadcopter and a receiver that displays the video signal in realtime, you can drive the quadcopter as you were sitting on it.…

How to repair an Hubsan H107L X4 quadcopter

Some days ago, my Hubsan H107L X4 miniquad, from Banggood, stopped working: even if I connected a fully-charged battery, it didn’t move or light. Therefore, I ordered from Banggood a flight control board (they call it receiver board) to replace the faulty one: After having opened the quadcopter frame (fixed with three screws) and having unsoldered the old board, I started…

Flashing er9x on a Turnigy 9x transmitter

The Turnigy 9x transmitter (here the Mode2 version on the Hobbyking’s website) is for sure one of the most chosen radio by who start playing with multicopters (and not only with them…). One of the most reported flaws is its software, that doesn’t offer “advanced” features as some more expensive transmitters and that sometimes it’s also difficult to use. For this reason some…