This weekend I attended the Bay Area Maker Faire 2015. New this year was a Startup Pavilion with about 20 companies selling their products and looking for early adopters. Through out the show, I also found many startups looking for support for their kickstarter campaigns.
OpenROV is an open-source, low-cost underwater robot for exploration and education.
Nexpaq a modular smartphone case.
The CrazyflieNano Quadcopter is a miniature quadcopter that fits in your hand.
MakerBloks are small, reactive electronic building blocks that allow children 6+ to learn and build circuits without any technical background.
Roominate is a dollhouse building toy with motor and light circuits, modular furniture building pieces and walls.
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Also you can read about some of my favorite finds for electrical engineers at http://www.volersystems.com/news/18-news/232-bay-area-makers-faire-2015
Here is my roundup for last year: Favorites from Maker Faire Bay Area 2014
And some startups I highlighted at the Silicon Valley Robot Block Party 2014