本文介绍一种低成本便携式高分辨率电容测量系统的设计与实现。其基本原理是通过利用比较器组建RC振荡电路，通过测量振荡频率利用一种独特的算法计算电容值。
这种仪表具有电路简单、需要元器件少、成本低、稳定性好测量范围广以及分辨率高等优点。可以在实验室测量未知电容使用。
　　本文介绍了这种电容测量系统的硬件和软件实现，采用STM32F103C8T6作为主控芯片，实现了振荡回路频率的测量和电容值显示。(This article describes a low-cost portable high-resolution capacitance measurement system design and implementation. Its basic principle is through the use of comparators to form RC oscillator circuit, by measuring the oscillation frequency using a unique algorithm to calculate the capacitance value.
This instrument has a simple circuit, requiring less components, low cost, good stability, wide measurement range and high resolution advantages. Can be used in the laboratory to measure unknown capacitance.
This article describes the hardware and software implementation of this capacitance measurement system, the use of STM32F103C8T6 as a master chip to achieve the oscillation frequency of the circuit measurement and capacitance display.)