First boot of the PixRacer flight controller and testing dataflash limit.
The PixRacer will be installed to my CX-20.
Product Link: http://www.banggood.com/Pixracer-Autopilot-Xracer-V1_0-Flight-Controller-Mini-PX4-Built-in-Wifi-For-FPV-Racing-RC-Multirotor-p-1056428.html?p=Y32801320661201310I4