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After unzipping the compressed files, navigate to the example: File > Examples > SparkFun Qwiic Power Switch Arduino Library > Example1_PowerOnOff.This example allows you to toggle power and isolate ...
From your downloads, open the example labeled as Example1-ReadButtons_WriteLEDs.ino.This example reads a switch and writes to the non-addressable LED using the PCA9554 I/O I 2 C Expander.. For users ...