1pcs APM2.8 APM 2.8 Multicopter Flight Controller 2.5 2.6 Upgraded Built-in Compass Straight pin with Case for RC Quadcopter

if you need the bent,can buy this link:https://www.aliexpress.com/store/product/1pcs-APM2-8-APM-2-8-Multicopter-Flight-Controller-2-5-2-6-Upgraded-Built-in/603538_32826355735.html?spm=2114.12010615.8148356.6.1b8a3782aUFIG2

APM is an open source flight control, can you play APM well depend on individual ability. Player must have ability of basic understanding of monolithic integrated circuit, c-language, knowledge of electrical,mechanical, and also needs a certain degree of mental capacity, financialand material resources, energy support.If you're not ready, then We recommend that you prepare some introductory information first.