NSF funds a variety of projects in and related to smart and connected communities.

Primary Award Mechanisms:

Integrative Research Grants: full awards of ~$1M-$2.5M for up to four years to support fundamental integrative research that addresses technological and social science dimensions of smart and connected communities and pilots solutions together with communities.
Planning Grants: awards of ~$150K for 1 year to facilitate capacity building and prepare project teams to propose future well-developed IRG proposals.

Other Award Mechanisms:

EAGER: awards for exploratory work on early stage or untested research concepts or approaches with potentially transformative outcomes ("high risk, high payoff")
RAPID: awards for proposals having a severe urgency with regard to availability of, or access to data, facilities or specialized equipment, including quick-response research on natural or anthropogenic disasters and similar unanticipated events
Other: awards such as workshops, conferences, etc.

For details about these award types, please refer to the S&CC solicitation.