Description: PCF8591AD.C PCF8591 of AD conversion experiment. /* Chip PCF8951 total of four A/D input channels: AD0, AD1, AD2, AD3, respectively, with four potentiometers (R1, R2, R3, R4) connected to regulate potentiometer output voltage. Which can measure AD0 channel potentiometer output voltage can also be used to measure the input from the J1 socket external voltage to be selected with the switch J2. J4 socket to provide the output from the PCF8591 when Zhongfang Bo signal. SAA1064 drive four digital display AD transformed the way the data obtained
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PCF8591AD.C
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