The HereFlow optical flow sensor is a lightweight optical flow sensor including a short range lidar which uses the CAN protocol to communicate with the...
Pixhawk 2.1 or Cube autopilot is advance autopilot which is used in Professional UAVs around the world. Pixhawk 2.1 is now named as Cube Autopilot.
If you planning to build autonomous vehicle ( Aerial, Rover or Subs ) Cube aka Pixhawk 2.1 will be your first choice with ArduPilot software