Description: Use AD single channel multiple conversion, acquisition P6.0 input analog voltage value (range: 0 ~ at the mouth of the input analog voltage AD conversion, P4, from P5 joint digital tube output.
Use AD single channel multiple conversion, acquisition P6.0 input analog voltage value (range: 0 ~ 3.3 V), converted to digital quantity.
To establish two-dimensional array and through the sequence look-up table method that acquisition back voltage value. Then through the digital tube display the current voltage value, show
And follow the input analog voltage changes. Because only two digital tube, the display voltage value accurate to decimal point, such as the current one
Input voltage of 2.37 V, 2.4 V is display. Available multimeter test showed that is correct or not.
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