基于keil_ARM 的开发环境，用STM32与触摸屏IC9320设计开发的一款手持式，袖珍mini示波器，可以更好的测量出每个IC口的状态，或者外界电平的变化-Based development environment keil_ARM, with STM32 touch screen IC9320 design and development of a handheld, pocket-sized mini oscilloscope, you can better measure the s