# WheelEncoders (UORB message) [source file](https://github.com/PX4/PX4-Autopilot/blob/main/msg/WheelEncoders.msg) ```c uint64 timestamp # time since system start (microseconds) # Two wheels: 0 right, 1 left float32[2] wheel_speed # [rad/s] float32[2] wheel_angle # [rad] ```