Arduino Voltage Measurement Tricks. 2 Comments . by: Mike Szczys. August 15, 2012. Title: Copy. ... This should be 5V but will only be as accurate as the regulator supplying it.

Little Bird Electronics posted an article about using an analog voltage reference with Arduino. This is a tool available when using an analog-to-digital converter. By setting up either an internal … ...

Voltage regulator IC1 in this design is a high-efficiency, synchronous 5-A stepdown converter with a 65-µA supply current that is well suited to portable device designs (see the figure).