Security

New!

Cryptographic Co-Processor ATECC508A (Qwiic) Hookup Guide

October 17, 2019

Have you ever wanted to make a secure IoT system? Then get started with this tutorial, to learn how to use some of the standard features of the SparkFun Cryptographic Co-processor! We will provide an introduction to cryptographic authentication, and then walk through the examples provided in the Arduino library. By the end, you will be able to create and verify digital signatures, use time-to-live tokens (aka NONCE), and have the tools and skills to add a very high level of authentication to all of your communication channels.

Qwiic Keypad Hookup Guide

April 25, 2019

If you are tired of taking up GPIO pins, wiring a bunch of pull up resistors, and using firmware that scans the keys taking up valuable processing time... check out the new Qwiic Keypad.

Fingerprint Scanner (GT-521Fxx) Hookup Guide

March 1, 2018

This tutorial provides information about how to connect to ADH-Tech's fingerprint scanner (GT-521F32) and how to use it with Hawley's FPS_GT511C3 library for Arduino.

Setting Up the Pi Zero Wireless Pan-Tilt Camera

September 14, 2017

This tutorial will show you how to assemble, program, and access the Raspberry Pi Zero as a headless wireless pan-tilt camera.

Gas Pump Skimmers

September 6, 2017

Teardown of gas pump skimmers along with how to detect and block them.

OpenPIR Hookup Guide

April 27, 2017

How to use and customize the SparkFun OpenPIR motion sensor.

Building a Safe Cracking Robot

March 29, 2017

How to crack an unknown safe in under an hour.

Old Tutorials

Looking for the old, archived tutorials? Head on over to the archived tutorials on the main SparkFun site.
Please be aware that the tutorials you find there are no longer actively maintained.