A measuring ac voltage RMS method based on MSP430F5438 MCU is introduced.The principle diagram of the system hardware is given.The software design and code of the system is discussed.%介绍了一种基于MSP430F5438单片机测量交流电压有效值的一种方法。给出了系统硬件原理图,介绍了系统的软件设计思想及设计代码。
展开▼