用ADC0804测量模拟电压，电压范围从0V到5V都能精确的测量，该程序已调试成功，可直接运用-ADC0804 measurement using analog voltage, voltage range from 0V to 5V can precise measurement, the debugging procedure has been successful and could be directly applied
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001455s ]
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