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.
Reducing Arduino Power Consumption
A tutorial about different ways to reduce the current draw for your next Arduino project the easy way.
SparkFun Qwiic Dual Solid State Relay Hookup Guide
A Hookup Guide to get you started with the SparkFun Qwiic Dual Solid State Relay.
Buck Regulator Hookup Guide
Get started with SparkFun's newest Buck Regulator Boards - the BabyBuck and the Buck!
IoT RedBoard ESP32 Development Board Hookup Guide
Delve into the functionality-rich world of the IoT RedBoard ESP32 Development Board!