通过单片机和矩阵屏实现贪吃蛇的游戏,游戏过程中，通过按键控制蛇的移动，吃豆可以升级，蛇变长，速度增加-Snake realized through the MCU and matrix screen games，Course of the game, move through the key control snake, eating beans can be upgraded, the snake becomes longer, the rate of increase