Security

New!

Secure DIY Garage Door Opener

January 16, 2020

Did you know that most garage doors are at risk of a roll jam attack? Here we make a DIY garage door remote-control system that is much more secure than most commercial-ready products using the latest in ECC cryptography.

Cryptographic Co-Processor ATECC508A (Qwiic) Hookup Guide

October 17, 2019

Learn how to use some of the standard features of the SparkFun Cryptographic Co-processor.

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.

PIR Motion Sensor Hookup Guide

May 5, 2016

An overview of passive infrared (PIR) motion detecting sensors, and how to hook them up to an Arduino.

Boss Alarm

March 30, 2016

Build a Boss Alarm that alerts you of anyone walking into your office and automatically changes your computer screen.

RedBoard Santa Trap

December 25, 2014

A fun holiday project to try for anyone looking to catch Santa on Christmas!

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Please be aware that the tutorials you find there are no longer actively maintained.