投票器。这个好像是3人投票器，可以用来做5人的吧~也是以前我们实验的时候用过的。仿真和下载都很顺利。-The voting device. This seems to be 3 people to vote, and can be used to make 5 of it ~ is also the past, we used the experimental time. Simulation and downloading has gone smoothly.