====== P1-Dongle (NB-IOT) ======
The NB-IOT P1 Dongle is a device that can be directly connected into the P1 port of Electricity Smart Meters deployed in: 

  Belgium, The Netherlands, Luxembourg, Denmark, Hungary, Sweden, Finland, Austria, Norway, Lithuania, Switzerland

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It provides an direct access to Electricity Metering information, delivered through the P1 port every 1 second. Depending on the Grid Operator setup, it is also possible to get Gas and Water metering data.

The main features of the NB-IOT P1 Dongle are:
  * Real time reading of all P1 data (electricity, gas*, water*)
  * Real time command to control the activation/deactivation of heavy electricity appliances (car charging stations...), via **Open Drain Outputs** or **ModBus RTU commands**.
  * Pulse input for other meter reading (eg: water)

**Documentation:**

  * P1 Dongle datasheet
  * P1 Dongle (Sibelga) account:
    * Get all data from the Dongle
    * Send "reduced" or "normal" command to the Dongle to control related electrical appliances
    * View the Dongle used for Energy Efficiency (Electricity, Gas, Water) of a building