Smart Box System (POC) Using NB-IoT Technology

The importance of monitoring letter boxes kept at difference places for specific purpose is crucial in this age. Various forms of letter boxes are installed at various places like apartments for personal mails, at ATM centers for cheque drop or credit card bill payment, at public places government post boxes for public use, suggestion letter box kept at offices, apartments and government places. Currently it is being monitored manually, or not utilized regularly, which leads to dead investment in infrastructure. Proposed solution is based on Narrowband Internet of Things (NB-IoT) technology to notify user a new mail received in your mail box using twitter application. It gives practical implementation using NB-IoT board provided by Particle Electron Micro-controller and sensors to notify new mail arrival.