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.

LuMini Ring Hookup Guide

The LuMini Rings (APA102-2020) are the highest resolution LED rings available.

Power Delivery Board - USB-C (Qwiic) Hookup Guide

This guide will go over how to use the USB Type-C Power Delivery Board.

SparkFun RTK Surveyor Hookup Guide

Learn how to use the enclosed RTK Surveyor product to achieve millimeter level geospatial coordinates.