A surgical stapling assembly is disclosed comprising a shaft, an end effector attached to the shaft, an electric motor, a plurality of sensors positioned within the end effector to measure an electrical parameter, and a control circuit. The end effector comprises a first jaw, a second jaw movable relative to the first jaw, and a firing driver to deploy staples and cut tissue. The electric motor is to actuate the firing driver. The control circuit is to actuate the electric motor to deploy staples from a staple cartridge during a firing stroke, monitor the electrical parameter at a first location of the firing stroke, and monitor the electrical parameter at a second location of the firing stroke, wherein the first location and the second location are different.