===== LORA =====
  * best for long range/outdoors
  * Lorawan is a star network
  * Meshtastic is a mesh network
    * [[https://meshtastic.org/docs/configuration/module/serial|Meshtastic serial module]]
  * [[https://www.hackster.io/davidefa/esp32-lora-mesh-1-the-basics-3a0920|another LoRa-based mesh network]]
  * [[https://github.com/sfewings/lora-mesh|yet another LoRa-based mesh network]]
==== Hardware ====
  * [[https://www.lilygo.cc/products/lora3|LoRa32 V2.1_1.6]]