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ALPR US license plate recognition stacked characters
Misc, Product


The United States is a diverse country in nearly every aspect—including its license plates. This article explores some of the key obstacles we overcame in developing high-accuracy license plate recognition (ALPR, or LPR) for each of the 50 States of America.

Misc, Product

Using ALPR in a Smart Home

In this article, I describe how I have used Plate Recognizer Automatic License Plate Recognition (ALPR) software and the Node-RED nodes so that my Sonos can announce visitors and unknown cars pulling up my driveway. At the end of this post, I have inserted a link to my Node-RED setup