My first battery powered LoRaWAN water node failed due to a single loose wire, so I completely overengineered version two. In this post I explain how I built a solar supplemented telemetry station with an INA219 sensor, a strict battery management system, and custom firmware pushing data straight to Grafana.
Detta är ett kopplat diskussionsämne till det ursprungliga inlägget på https://louie.se/projects/lorawan-water-temperature-with-ttn/