If you're building a multirotor at home, the ESC is one of the most critical components in the build. This 30A SimonK-firmware ESC is a go-to for builders for its fast throttle response and low price.
Why SimonK? https://greatbookmarking.com/story21753389/simonk-red-30a-esc-specs-uses-where-to-buy-in-india