SparkFun will be closed Monday 7/4 for the holiday. All orders placed after 2pm MT on Friday 7/1 will be shipped out next week.
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.