At Windesheim, it is possible to book a room on the campus, for example for meetings, work on a project with a team or to give a presentation. However it was difficult to see at the rooms if it was actually in use or who is supposed to use the room. The purpose of the Easy Classroom Display is to is to give this information.

Close-up of the module

The board gave the following information:

• Room Id;
• Room type;
• Duration of the first event;
• Name of the first event
• Who booked the room during the first event;
• Duration of the first event;
• Name of the second event
• Who booked the room during the second event;
• First time that the room is empty

The Easy Classroom Display system existed out of multiple modules and a hub. A module is made of a ESP8266, a E-paper display and a 3D printed case.

I worked on the hub part of the system, in particular the server and connection with a Maria database. The server works as follows, it gets a request from a module with the module Id. Based on the Id data was retrieved for the Maria database and together with another student's curl-based software it got the data from Windesheim's systems. This data was then send back to the module, which displayed the data.

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