This tutorial expands on a previous guide by demonstrating how to create a collaborative, real-time camera app using the Tessel Camera and AngularJS, enabling users to view live photo feeds akin to a DIY IoT version of Instagram without manual updates. The process relies on the pubnub-tessel package for real-time messaging and uses a structured data format for seamless image posting. It involves setting up a simple HTML interface with AngularJS for data binding and Bootstrap for styling, while the JavaScript part incorporates the pubnub-angular service to manage real-time updates. The app utilizes Angular's ng-repeat to track and display data from multiple devices, ensuring the DOM updates with each new photo captured by the Tessel Camera, and leverages PubNub's capabilities to store and retrieve up to 500 messages.