The next TTN conference we need LoRaWAN connected e paper conference badges.
They not only show your name / nick / company logo? but also auto informs the exibitors of your visit to their stand, give you access to certain activity’s, track you whole movements during your visit, let you find people ect. ect
It uses Bluetooth-compatible tags that transfer data in real time from beds using a low-power, wide area network (LPWAN). The data, which includes the location of the beds and their maintenance records, can be accessed through a central dashboard.
Accuracy and stability of the 50 Hz mains frequency