SparkFun will be closed for Memorial Day (5/30). Orders placed after 2pm MT on Friday (5/27) will process and ship out on Tuesday (5/31).
We’ve been meaning to write this interfacing tutorial for many years now. It’s a simple breakdown of the various ways to interface 3.3V logic devices to 5V logic devices. It’s not too tricky! We hope it helps you avoid burning out your lower voltage sensors and devices.