...

In /S2ROS120221020/src/rplidar_ros-master/launch/, modify the rplidar_a3.launch file, and modify the respective mode at the bottom. ROS can be started to verify that the mode modification is successful.

19.How to use or download the SDK?

Please refer to the SDK user manual and SDK link from the overseas help center(Topic 1.04&1.05)https://wiki.slamtec.com/display/SD/Overseas+Help+Center

20.How to use the ROS SDK?

Please refer to the latest ROS SDK link and the ROS Tutorial from the overseas help center(Topic1.05&1.10)https://wiki.slamtec.com/display/SD/Overseas+Help+Center

21.How to make the lidar use with the Arduino?

Please refer to the lidar communication protocol and pinouts in the lidar datasheet,please download from the overseas help center(Topic 1.01&1.03):https://wiki.slamtec.com/display/SD/Overseas+Help+Center .
And please refer to the S2 lidar sample library on Arduino:https://github.com/KKest/ESP-rplidarS2
Note:The baud rate for S2 is 1M. If you use another model lidar，please use the correct lidar baud rate.
Baud rate :1000000(1M）:S2,S3
                 460800：C1

                 256000:S1,A3,A2M12,A2M7

                 115200:A2M8,A1M8