Ys-sxt-v4.2 B Fixed -

YS-SXT-V4.2 B slave (daughter) board in a dual-system hoverboard motherboard set. It works alongside the YS-SXT-V4.2 A

: Using the high-torque brushless DC (BLDC) motors for autonomous mobile robots. 3. Challenges in Compatibility ys-sxt-v4.2 b