Sometimes it makes sense to go with plain old batteries and off-the-shelf PVC pipe. That’s the thinking behind [Bertrand Selva]’s clever LoRaTube project. PVC pipe houses a self-contained LoRa repeater, complete with a big stack of D-size alkaline cells. LoRa is a fantastic solution for long-range and low-power wireless communication (and popular, judging by the […]