Programming: Converting the ADC Result to a Number that Represents a Unit of Measurement (Inches of Mercury)

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Programming: Converting the ADC Result to a Number that Represents a Unit of Measurement (Inches of Mercury)

The formula that converts the ADC value to inches of Hg (using the slope intercept formula):

inches of HG = -0.0377(ADC_Value) + 35.5134

The portion of the program that pertains to the conversion: 

uint8_t theLowADC = ADCL;
uint16_t TenBitResult = ADCH<<8 | theLowADC;
InchesOfHg = -0.0376 * TenBitResult + 35.532;
Send_An_IntegerToMrLCD(15, 1, InchesOfHg, 4);

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Programming: Converting the ADC Result to a Number that Represents a Unit of Measurement (Inches of Mercury)

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