![Arduino Tutorials - the AREF pin [Tutorial]](/opendir/images/thumbs/od_2300_1_1387036310.jpg)
Learn how to measure smaller voltages with greater accuracy using your Arduino.
In this 22nd chapter on Arduino tutorials from tronixstuff we'll look at how you can measure smaller voltages with greater accuracy using the analogue input pins on your Arduino or compatible board in conjunction with the AREF pin.
![Arduino Tutorials - the AREF pin [Tutorial]](/opendir/images/thumbs/od_2300_2_1387036310.jpg) |