Built this quadcopter a few years ago, had its maiden flight and haven't touched it since. 1x Radiolink AT10 Controller with Telemetry module and Receiver https://www.radiolink.com/at10ii 8 x Brushless Electronic Speed Controllers (ESC) 2 x KK Multicopter controller boards https://hobbyking.com/en_us/kk-multicopter-v5-5-flight-controller.html 4 x Propdrive 28-30S 900Kv motors https://hobbyking.com/en_us/ntm-prop-drive-series-28-30-900kv-300w-brushless-motor.html?___store=en_us Other misc motors, props,