diff --git a/README.md b/README.md
index e2b826b..81d8a99 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,7 @@ Learning by doing is important and more effective than plainly following a docum
 * [Write a NoSQL Database in Python](https://jeffknupp.com/blog/2014/09/01/what-is-a-nosql-database-learn-by-writing-one-in-python/)
 * [Scrape a Website with Scrapy and MongoDB](https://realpython.com/blog/python/web-scraping-with-scrapy-and-mongodb/)
 * [Build a Todo List with Flask and RethinkDB](https://realpython.com/blog/python/rethink-flask-a-simple-todo-list-powered-by-flask-and-rethinkdb/)
+* [Building a Gas Pump Scanner with OpenCV/Python/iOS](https://hackernoon.com/building-a-gas-pump-scanner-with-opencv-python-ios-116fe6c9ae8b)
 
 ## Go:
 * [Create a Real Time Chat App with Golang, Angular 2, and WebSocket](https://www.thepolyglotdeveloper.com/2016/12/create-real-time-chat-app-golang-angular-2-websockets/)