Building a quadcopter at home, the ESC is one of the most critical parts in the build. The SimonK 30A ESC is a go-to for builders because it's affordable, reliable and easy to calibrate. Why SimonK? The SimonK firmware https://simonk-30a-esc264146.pages10.com/30a-simonk-brushless-esc-specs-uses-where-to-buy-in-india-77533301