Tutaj coś podobnego, działa z marlinem
/**
* Bed Distance Sensor
*
* Measures the distance from bed to nozzle with accuracy of 0.01mm.
* For information about this sensor https://github.com/markniu/Bed_Distance_sensor
* Uses I2C port, so it requires I2C library markyue/Panda_SoftMasterI2C.
*/
//#define BD_SENSOR
https://github.com/markniu/Bed_Distance_sensor
https://www.youtube.com/watch?v=yx8pluEu0sg
https://pl.aliexpress.com/item/1005004723851664.html