If you're building a multirotor at home, the electronic speed controller is one of the most important components in the build. This 30A SimonK-firmware ESC is a go-to for drone hobbyists for its fast throttle response https://simonk30aesc581913.atualblog.com/48788035/simonk-30a-esc-the-reliable-pick-for-fpv-quadcopters