$1.$ The system will start operating clockwise with the start button $($I$0\mathrm{.}0).$

$2.$ When an object is detected from the S$1$ sensor $($I$0\mathrm{.}2),$ the motor will stop for $3$ seconds and then start working.

will continue.

$3.$ When $2$ objects are detected from the S$2$ sensor $($I$0\mathrm{.}3),$ the motor will rotate counterclockwise.

$4.$ When $4$ objects are detected from the S$2$ sensor $($I$0\mathrm{.}3),$ the engine will stop.

$5.$ If the stop button $($I$0\mathrm{.}1)$ is pressed at any time, the system will stop operating.