That’s exactly the goal of the Meshtastic project, which aims to take off-the-shelf ESP32 LoRa development boards and turn them into affordable mesh network communicators. All you need to do is ...
The dirt cheap CH32V003 RISC-V microcontroller for example can be a LoRA transmitter able to talk to a gateway at a range of hundreds of metres with the CH32 and 2.5km with the ESP32. The code can ...
Espressif ESP32-C2 (ESP8684) has been updated to v2.0 with 20 KB of additional SRAM, 100 KB of extra flash, with some ...