# Holybro Kotleta 20 The Holybro Kotleta 20 is an CAN ESC designed to run the open source [PX4 Sapog ESC Firmware](../dronecan/sapog.md). While it can be controlled using traditional PWM input, it is designed to operate over CAN bus using [DroneCAN](index.md). ## Where to Buy [Holybro Kotleta20](https://holybro.com/products/kotleta20) ## Setup Follow the [Sapog ESC Setup](../dronecan/sapog.md) instructions.