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LoRa technology was developed by a company called Semtech and it is a new wireless protocol designed specifically for long-range, low-power communications. LoRa stands for Long Range Radio and is mainly targeted for M2M and IoT networks. This technology will enable public or multi-tenant networks to connect a number of applications running on the same network [^digikey-lora].
For different types of arduinoArduino, we can use a long -range transciever transceiver LoRa shield called the [^dragino-lora].
## Set up LoRa on your laptop
3. In the (example) sketch, make sure to assign LED to something other than 9. If set to 9, the restart of the LoRa board will be triggered.
## LoRa WAN
[Different device types - Class A,B,C - Youtube tutorial](https://www.youtube.com/watch?v=ShJ5RERof5I)</br>
[Fresnel zone](https://www.youtube.com/watch?v=HWOivbJjw7s)</br>
[EIRP and ERP](https://www.youtube.com/watch?v=LEucMthGJtc)</br>
[RSSI and SNR](https://www.youtube.com/watch?v=RpTw1fGhI68)</br>
[LoRa Packet Format, Time on Air and Adaptive Data Rate](https://www.youtube.com/watch?v=C_Rh5GSENA4)</br>
[Different types of LoRa chips](https://www.youtube.com/watch?v=0FaFVD5fedc&list=PLmL13yqb6OxdeOi97EvI8QeO8o-PqeQ0g&index=18)</br>
[LoRa End Node Libraries](https://www.youtube.com/watch?v=0dnnqToK28A&list=PLmL13yqb6OxdeOi97EvI8QeO8o-PqeQ0g&index=20)
## Nanopb protocol buffer