Reducing Arduino Power Consumption

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Contributors: Alex the Giant

Resources and Going Further

More information on low-power modes and options can be found in the datasheet for the 328P.

For more power-related fun, check out the following SparkFun tutorials.

Measuring Internal Resistance of Batteries

Classroom STEM activity that has students build a battery from a lemon, measure the open and closed circuit voltages, and determine the battery's internal resistance.

Wireless Joystick Hookup Guide

A hookup guide for the SparkFun Wireless Joystick Kit.

ESP32 Thing Power Control Shield Hookup Guide

This tutorial shows you how to get started with the ESP32 Thing Power Control Shield.

Current Sensor Breakout (ACS723) Hookup Guide

Learn how to measure the current consumption of your project using the ACS723 Current Sensor.