Other than the interesting question of how to keep soil moisture sensing nodes like this powered up over long periods of time (perhaps periodic retrieval to replenish the battery), this would seem ...
Battery life for LoRaWAN sensors is longer, with thermocouple or pressure sensor batteries lasting up to 10 years. Since the introduction of WirelessHART and ISA-100.11a about 13 years ago, the range ...
Interfacing to E-paper displays is nothing to be scared of [Aduecho] had seen those cheap eBay deals of e-paper-based pricing tags, and was wondering if they could be hacked to perform some other ...