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 … ...

Poor quality of power supply can often cause power surges, spikes and voltage fluctuations which causing flickering lights, failure of household electrical devices, interference of TV reception, etc.