在测试设备的经验，例如数字万用表，示波器和I2C分析仪，电力供应是必不可少。
Experience in test equipment such as digital multimeter, oscilloscope, I2C analyzer, and power suppliers is a essential.
本文主要介绍了别克新世纪轿车燃油泵控制电路的工作原理和检测方法，一是用万用表检测，二是用扫描仪检测。
This paper mainly introduces two inspecting methods of fuel pump controlling current on BUICK NEW CENTURY car: one is inspecting with multimeter; the other is inspecting with scanner.
阐述了自制WY - 1a型万用表实验仪的电路设计原理、计算公式及组装技术。
The circuit design principle, calculating formula and assembly technique of self - made WY - 1a multimeter experiment instrument are elaborated.
然而，传统的测量仪器如示波器，万用表，逻辑分析仪等都只是针对某一些信号或者电参数的测量。
However, the traditional measuring instruments such as DSO, DMM, Logic Analyzer have only focus on a certain number of signal or electrical parameters.
本电参数测试仪通过AT 89 C51单片机作为核心的控制元件，由模拟开关hcf 4051构成自动量程数字万用表。
Abstrct: the electrical parameters Tester through AT89C51 SCM as a core element of control by the analog switch HCF4051 constitute a range digital multimeter.
本电参数测试仪通过AT 89 C51单片机作为核心的控制元件，由模拟开关hcf 4051构成自动量程数字万用表。
Abstrct: the electrical parameters Tester through AT89C51 SCM as a core element of control by the analog switch HCF4051 constitute a range digital multimeter.
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