Answer by AlexR for Hi guys,does anyone know of a relatively cheap sensor solution for 2D mapping? don't need it to be (laser) accurate. just good enough to build a 2D map for some basic indoor navigation job.Sonar, IR, anything that might do the job.UPDATE: i also found LiDAR-Lite i guess its fairly new to the marker. it is also very cheap but it should be modified to cover 360 degree around it. anyone tried it before?Thanks for the ideas n answers.

[Tera Ranger One](http://www.teraranger.com/product/teraranger-one-distance-sensor-for-drones-and-robotics/) could be another choice. The ROS package is given here on the [github](https://github.com/Terabee/terarangerone-ros).