A comprehensive guide on how to install and test the RTNode firmware on a Heltec v4: https://rns.recipes/forum/build-guides/how-to-install-and-test-the-rtnode-firmware
Firmware based on microReticulum, like RTNode, are now making it more practical to use #Reticulum for building a local #LoRa mesh. It can run autonomously on inexpensive, solar-powered hardware, just like #Meshtastic and #MeshCore have already been doing, but with an overall design that is much more focused on privacy and security compared to the other LoRa platforms.