This is a web application based on a ASP.NET backend developed as microservice.
The front end was developed with JQuery.
The backend collects data sent from many client installed on a digital signane system. The clients get a screenshot of the content shown on the monitors and send it to the backend. The clients get from the server all the information like the timer to get the screenshot. It is possible to send a command to the clients from the server.
The front end is a web app based on JQuery and has an admin part to manage the collection of clients and the users. Each user can see a subset of the installed clients and see the screen shots or a stream from the client.