Reducing Arduino Power Consumption
Contributors:
Alex the Giant
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.
LiPo Charger Plus Hookup Guide
This tutorial shows you how to hook up and use the SparkFun LiPo Charger Plus board.
Hookup Guide for the SparkFun RedBoard Artemis Nano
Get started with the powerful RedBoard Artemis Nano
SparkFun Qwiic Thermocouple Hookup Guide
Learn how to hook up your Qwiic Thermocouple Amplifier.
Getting Started with the MyoWare® 2.0 Muscle Sensor Ecosystem
The MyoWare® 2.0 Muscle Sensor, an Arduino-compatible, all-in-one electromyography (EMG) sensor from Advancer Technologies. In this tutorial, we will go over the features and related shields to connect the sensor to a muscle group.