If the loadcell only produces millivolt outputs you will need an amplifier to increase that to a range that the Arduino ADC can read usefully - 0 to 1v if you use the internal voltage reference or 0 to 5v.
...R
If the loadcell only produces millivolt outputs you will need an amplifier to increase that to a range that the Arduino ADC can read usefully - 0 to 1v if you use the internal voltage reference or 0 to 5v.
...R