Lately working with Lora device I have learned that we are really close to create big impact changes with relatively little investing. I've started my mesh during a research to communicate my postbox with my Home Assistant setup. In all the apartments where I lived this really got me; I wanted that when the post agent left something for me it should notify me somehow. This could have been because I've worked far from my place, or even because otherwise every time I need to go check it. During this mission I only counted with a bunch of ESP32s that could be used for communication using WiFi, Bluetooth and ESPnow. That's awesome but unfortunately not enough. Suddenly when looking for sensors for other project, I've found SX126X and SX127X which are modules for LoRa communication. And pretty cheap ones! 2022 I've got some Heltec V1 (Stockholm) Is good to mention that this technology uses ISM which basically is that the states provide a license-free b...