Building the circuit on a breadboard shows that this minimalist design works, but instead of building a tiny PCB to solder the ESP32 module to he attempted to build a sort of dead-bug support ...
To simplify this, [Timm Bogner] created Farm Data Relay System which simplifies the ... The FDRS uses a combination of ESP32/8266 sensor nodes for short range, and LoRa nodes for long range.
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