LoRa is the go-to tech for low power ... [Renzo] starts by connecting the E32 module from AliExpress to an Arduino as well as an ESP8266 to demonstrate essential communications.
Although we generally think of Internet of Things (IoT) and similar devices as things that are scattered around above ground, there are plenty of reasons to also have such devices underground.
SparkFun has recently released the Digi X-ON LoRaWAN development kit an all-in-one IoT development kit designed to simplify ...