MXES sine wave controller(FOC), which can control motor running slow speed with high torque(cloose-loop control), controling via UART and RS485. It is programmable, 24-48v batteries universal, max current 30A, max phase current 50A. Pleased noted that this controller is built inside the RS485 mode and it does not come with RS485-USB programmer cable, you need to prepare it yourself. If you need to use a common version with programmer USB cable, please buy this FOC UART brushless controller.
PC programmable software can be download here https://www.uumotor.com/sine-wave-programming-200w-1000w-bldc-motor-controller.html