My second quad.
Update: The Mateksys F405 AIO flight controller gave me bad yaw twitches, a DYS F4 PRO is on the way to replace it.
Update 2: I fried the D4R-II, it got replaced with a FrSky XSR. New pictures to come.
Update 3: Got myself a Crossfire system and a 3D-printed structure for the radio-receiver and vTX