I2C bus digital potentiometer AD5242 was used as core of digital alternating current parameter multi-function meter, it has a point, two point and multiple point sampling arithmetic.
数字式工频交流电参数多用表以i2c总线数字式电位器ad5242为核心，其采样算法有一点、两点及多点。
It introduces the methods of alternating current sampling for the power parameter of sing chip computer in ferroalloys furnace.
介绍了铁合金电炉单片机电力参数的交流采样方法。
The normal parameter-measure method of motor magneto is using alternating current, voltmeter and instrument to measure then read and record the data.
常规的摩托车磁电机参数测量方法是用交流电流、电压表及示波器等仪表进行测量，再从表上进行读数并记录。
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