I've always wanted to build a mesh network with small nodes like this scattered around a city or forest. I'd love to see them build a battery and solar module for these units.
an archived version from 2021-02-05 in case it's down (was for me)<p><a href="https://web.archive.org/web/20210205214936/https://www.fieldkit.org/" rel="nofollow">https://web.archive.org/web/20210205214936/https://www.field...</a>