【摘要】 基于MSP430设计了智能多功能测量表,由主控芯片、信号发生电路、液晶显示电路、键盘输入电路等测量电路组成,实现了对直流/交流电压、电阻、电容以及晶体三极管放大倍数的多量程测量功能和频率可调正弦波/方波的输出功能。经测试,系统可以完成指定的测量输出任务,具有测量精度理想、交互界面友好等优点。更多还原

【Abstract】 This paper describes the smart digital multifunction meter based on MSP430. The system contains master-chip, the signal generating circuit, liquid crystal display circuit, keyboard input circuit and the corresponding measuring circuit, and it has many multi-range measurement functions, such as AC/DC voltage measurement, resistance measurement, capacitance measurement and transistor magnification measurement,and adjustable frequency sine wave or square wave output function. After testing,the system can be good to complete the measurement and the output task,and it has advantage of measurement accuracy and friendly interface.更多还原