Chapter 21 "Staying Alive"

This chapter shows how to keep your robot working even if the sleep option on the brick has been set to a short period of time like 2 to 5 minutes. In the NXT brick has a feature that automatically turns off your robot after a certain amount of time its called the sleep timer. The sleep timer is a useful feature, and should set it to a reasonable time. help save battery power. The keep alive block works during the execution of your program if at any time the keep alive block is executed it will reset the sleep timer.