A measurement is only as meaningful as its reference #
An ADC converts an analog input into a digital representation. The reference voltage helps define the conversion range and affects how the digital result relates to the input signal.
Use this article as a starting point for a more complete explanation, including equations, component selection, error sources, and practical examples.
Connect the concept to practice #
Link to a relevant eLearn lesson and then guide the reader to an eTutorial that demonstrates the concept using a real board.