Buck-Boost Hookup Guide
Contributors:
Alex the Giant, Ell C
Alex the Giant, Ell C 
Resources and Going Further
For more information on the Buck Boost, check out some of the links below:
Need more inspiration? Check out these related tutorials!
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Qwiic Quad Relay Hookup Guide
SparkFun’s Qwiic Quad Relay is a product designed for switching not one but four high powered devices from your Arduino or other low powered microcontroller using I2C.
Or check out this blog post.