1,Software: New Calibrate Tools for Bed Distance Sensor, Download link , that help user to Calibrate.
note: the Value that higher than 1000 means the Distance is in out of range.
2, Hardware update: Coil housed in nylon case with high temperature resistance AB glue.
Does the Bed Distance Sensor work with the PandaPi v2.9 board with Raspberry Pi?
Are these in mainline Marlin yet?