LoRa and LPWANs (Low Power Wide Area Networks) are all the range (tee-hee!) in wireless these days. LoRa is a sub 1-GHz wireless technology using sophisticated signal processing and modulation ...
If you are interested in deploying LoRa — the low power long-range wireless technology — you might enjoy [Rui Santos’] project and video about using the ESP32 with the Arduino IDE to implement LoRa.
The PICOmputer is a small terminal complete with a QWERTY keyboard, a small IPS display, and space for a RFM95 LoRa module, and Raspberry Pi Pico mini PC. The open source hardware project is available ...