I have a question regarding little bit maths,
If I want to measure the voltage with adc and voltage range is between 0 - 30 V DC
For example
I have 8 bit adc and adc working with 5v DC
8 bit adc can count 2^n = 0 - 255
How can I measure voltage range 0 - 30 V DC with 8 bit ADC ?
If I want to measure the voltage with adc and voltage range is between 0 - 30 V DC
For example
I have 8 bit adc and adc working with 5v DC
8 bit adc can count 2^n = 0 - 255
How can I measure voltage range 0 - 30 V DC with 8 bit ADC ?