I have no idea how to do this, but the family farms want a couple of sensors (water tank levels, soil moisture, etc) sending back to a screen inside showing stats.<p>I've done various small arduino and Raspi projects, including ultrasonic water tank sensors that read out on an LCD display, but never anything that needs to send data back to a hub.<p>Each sensor could be anywhere on a 200acre or 300acre farm (two farms), so need to be solar+battery and wireless.<p>What hardware and software stack should I be looking at?<p>Original idea was arduinos sending to a Raspi but I'm open to other ideas.<p>Keen to learn this stuff because we own a few farms and have lots of uses for "x sensors sends to hub" ideas.<p>Thanks in advance (unreliable sat net so I'll check back when I can!)