Voltage Meter with Arduino Uno: Measure up to 30V 5 (3)

In this tutorial, I’ll show you how to build a voltage meter with Arduino Uno, able to deal with a 0-30V range. This tutorial provides the coding, wiring diagram and component list. To measure a range from 0V to 30V, a voltage divider circuit enables you to linearly reduce the input to 5V and create […]

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