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## Gateway
Our gateway is the [LG01-N Single Channel Gateway](https://www.seeedstudio.com/LG01-N-Single-Channel-LoRa-IoT-Gateway-p-2935.html).</br>
[[File:DraginoLG01-N.JPG|250px]]
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__Feel free to change the code on the Arduinos and platforms. Visitors and students can get editing access to the repository from Leon Santen or Odalys Benitez.__
# LoRaWAN network on the farm LoRa WAN is the internet-based version of LoRa. While LoRa communication only works between generally two devices, LoRa WAN can communicate between hundreds of devices by the means of a gateway. LoRa WAN consists of end-nodes and at least one gateway. Communication between the gateway and the nodes is bidirectional and based on LoRa radio communication. Refer to the [[LoRa research]] section for more info on how LoRa works and useful tutorials. This section is for on-the-farm system-specific information.[[File:LoRaWANSystemDiagram.JPG|750px]]Network
On the Arduinos that are integrated into the system, we use the [Dragino LoRa shield](https://wiki.dragino.com/index.php?title=Lora_Shield). In the image below, you can see how the pins on the Dragino LoRa shield are assigned. This is useful as not all pins on the shield are useable. This is especially important on Arduino Unos that don't have as many pins as the Arduino Megas.</br>
_The Dragino LoRa shield. Blue-boxed pins are not used by the shield and are free to be used._
## Nodes
