Brand new AM32 open source firmware based Brushless motor ESC! with a complete different four layer PCB design , 32 bit STM32G071 MCU, and INA199 based current sensing circuit for more precision. Such ESC would be able to handle more current and allow users to flash their own firmware by creating a fork of the AM32's Github project: https://github.com/AlkaMotors/AM32-MultiRotor-ESC-firmware