Thing Plus Dual-Port Logging Shield Hookup Guide
Contributors:
Ell C, 
PaulZC
PaulZC 
Resources and Going Further
Need more information? Check out some of the links below:
Check out these other power related tutorials from SparkFun:
Battery Babysitter Hookup Guide
An introduction and getting started guide for the Battery Babysitter - a flexible LiPo battery charger and monitor.
IoT Power Relay
Using the ESP32 to make a web-configured timed relay.
LuMini 8x8 Matrix Hookup Guide
The LuMini 8x8 Matrix (APA102-2020) are the highest resolution LED matrix available.
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.