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.

ESP8266 Powered Propane Poofer

Learn how Nick Poole built a WiFi controlled fire-cannon using the ESP8266 Thing Dev Board!

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.

Fuse Breakout Board Hookup Guide

Protect your project by adding a fuse in your circuit to save it from molten destruction.

Secure DIY Garage Door Opener

Did you know that most garage doors are at risk of a roll jam attack? Here we make a DIY garage door remote-control system that is much more secure than most commercial-ready products using the latest in ECC cryptography.