Within the Antwerp Maritime Academy we are building a Living lab where node MCU connected to sensors measure several environmental parameters (T, RH, CO2) and send to a Raspberry Pi containing the ThingsBoard platform that act as server. The measurement of CO2 is very useful during this COVID period. Living Lab enables the school’s users such as students, lecturers to see in real time how much people breathe exhaled air of others. The goal of this dissertation is to build such a system in coöperation with UCLV in Santa Clara, Cuba