This is one of those cases where a voltage divider (two resistors) is a good idea... since the A/D input presents a constant load... so a voltage divider would work ok. You could measure really high voltages with the right pair of resistors.
This is one of those cases where a voltage divider (two resistors) is a good idea... since the A/D input presents a constant load... so a voltage divider would work ok. You could measure really high voltages with the right pair of resistors.