There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...
Abstract: This paper presents an artificial intelligence of things (AIoT) based intelligent water resource control (IWRC) system for hydroponic lettuce and fingerroot farms. Three input variables ...