$2 for 5PCBs: https://jlcpcb.com Arduino code, circuit, parts list and more details ► https://howtomechatronics.com/projects/arduino-rc-airplane-diy/ …
Let’s Fly the EACHINE E50 Selfie Drone More information: http://www.eachine.com/Eachine-E50-WIFI-FPV-With-Foldable-Arm-Altitude-Hold-RC-Quadcopter-RTF-p-567.html