There is a lidar sensor that provides really accurate measurement, but I am not sure how it works in a dusty environment (depends on how dusty, I suppose).
Look for "GY-VL53L0XV2 VL53L0X Time-of-Flight Distance Sensor"
There is a lidar sensor that provides really accurate measurement, but I am not sure how it works in a dusty environment (depends on how dusty, I suppose).
Look for "GY-VL53L0XV2 VL53L0X Time-of-Flight Distance Sensor"