"GR-IoT" (www.griot.gr) an Internet of Things knowledge hub is going to present the globally first open-source and free, Lora network "The Things Network" and it's Athens community. Also during the workshop visitors are going to experience an interesting prototype case study, the "Easy Temperature Sensor" kit which measures temperature from refrigeration rooms and fridges and transfers them to a web-platform for recording and processing.
All these very interesting happenings at Athens Mini Maker Faire! More information here.