If you're building a multirotor at home, the ESC is one of the most critical parts in the build. The SimonK 30A ESC is popular with builders for its fast throttle response and low price. Why SimonK? The SimonK firmware https://buyonline157752.myparisblog.com/42630264/simonk-red-30a-esc-the-reliable-pick-for-fpv-quadcopters