The secret? Rather than using servos, dARM uses brushless DC (BLDC) motors paired with ODrive S1 controllers. He credits [James Bruton] and [Skyentific] (two names which regular Hackaday readers ...

Sensorless and shaft-encoder operation is possible, and in the default configuration the board implements sensor-less field-orientated control over a M-3411P-LN-08D NEMA 34 motor from Teknic using ...

Hall-sensed or sensor-less motor control can be implemented ... There is a starter kit for the RAJ306010 ICs with a development board, motor and reference firmware.

[Josh Pieper] of mjbots Robotic Systems just released a major revision to his moteus open sourced brushless DC (BLDC ... external sensor connections. Interfacing with the board is via CAN-FD ...