Fingerprint scanners are awesome. Why use a key when you have one right at the tip of your finger? Unfortunately, they’re usually unreliable or difficult to implement. Well not anymore! We’ve found this great fingerprint module from ADH-Tech that communicates over TTL Serial so you can easily embed it into your next project.
Get ready to be able to see like the Predator! The SparkFun Grid-EYE Infrared Array Breakout board is an 8×8 thermopile array, meaning you have a square array of 64 pixels capable of independent temperature detection.