I have been working on Quadcopter. Unfortunately two of the four ESCs isn't functioning now. I was using the HobbyKing 30A UBEC, LIPO 4S. I wants to know the alternative ESCs that is compatible with the Pixhawk. I have found out three other ESCs but I couldn't get any information regarding their compatibility with Pixhawk.
1) 4X Racerstar RS30A V2 30A Blheli_S ESC OPTO 2-4S Support Oneshot42 Multishot 16.5 Dshot600 for RC Drone
2) Brushless ESC 30A with SimonK firmware for multirotors
3) Simonk 30A/40A 2-4S Brushless ESC Speed Control for RC FPV Racing Drone - 40