Summary: the hardware part of this practice, consolidated the knowledge of welding. Software, we can in the teacher s guidance to complete programming, independent debugging. In the program errors also learn how to modify. Until the whole program done correctly. In this period, our group is together, if the circuit is our classmates problems will help her check. Fully embodies the team spirit of cooperation. Finally I would like to thank the teacher s help, we knowledge. The teacher will help graduating class graduation design, and will do, to help our class, we are very busy. So the teacher also pretty hard.