Arduino Mega / Uno codding

I am looking for someone help me writing code for my project . 4 Nema 17 stepper motor and 4 loadcell running at same time . Each motor need to control "Forward and reverse , stop by loadcell . input device Nextion intelligent 4.3 Screen .Basically I need put certain weigh limit by touch screen nextion . Each motor need to run forward or reverse till find right weight pressure on loadcell and they need to stop when they find the referenced weight . also I need serial outputs for weight measurement reading as well .

Thank you