Question

Please I need answers for these 3 questions they are related so answer all of them please

6. Assume ?̅= 542.3 Calculate the equivalent voltage for this ADC value. You are welcome to look up the specs. For Arduino Uno-R3 ADC to help you figure this out. ________Volts (2 significant figures after the decimal point, e.g., 4.98 is sufficient.)

7. We are using a 1000 G ±2%, reference magnet. In testing this magnet, the Arduino reads an average value of 264. Determine m in formula y=mx+b relating ADC value to magnetic field. m = ___________ (two significant figures past the decimal point)

8.Determine b in formula (for problem 7). b = ____________

Answer 1

6. For Arduino Uno R3 we have a 10 bit ADC with reference voltage of 5V. Hence the value of 1 bit is given by,

Hence we can calculate the equivalent voltage for the ADC value 542.3 as,