Introduction: The resistance of R can be easily measured and displayed on the 0.96-inch OLED screen. The principle is a simple series voltage division. Use the adc inside the microcontroller for measurement.
测量挡位有三个挡
三个档的标定电阻分别为47 4k7 470k欧的电阻
显示在屏幕上的数字 根据所选的挡位读出相应的数值来。
第一个挡位 读取第二行显示的阻值
以此类推
第一次上传开源作品，如有错误，敬请斧正。
谢谢。
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