What are these devices like for hacking with &#x2F; and or attaching to other electronics? What is android like for these sort of uses as opposed to, say, a Raspberry Pi (or Arduino)?<p>I&#x27;d love to use something like this to monitor the water in a tank on a hillside. The battery + the Cell connectivity + (potentially) the camera would be perfect. (I&#x27;m sure there are suitable solar phone chargers that would work with it too)<p>It&#x27;s so cheap I could afford to break a few...