$2 for 5PCBs: https://jlcpcb.com Arduino code, circuit, parts list and more details ► https://howtomechatronics.com/projects/diy-arduino-rc-receiver/ …
My review of the LBLA S5 drone avail;able from Amazon see link below. https://www.amazon.co.uk/LBLA-Headless-Quadcopter-Compatible-Headset/dp/B077BZQ8JZ/ref=sr_1_2_sspa?ie=UTF8&qid=1538898040&sr=8-2-spons&keywords=lbla+drone&psc=1 …