Smart devices

The Top 9 Startups From Y Combinator

Smart mattress covers, RNA diagnostics, and photosynthetic grow lights were among the big ideas that shone brightest on stage at Demo Day 1 for Y Combinator’s Summer 2015 batch. Fifty startups presented on the record, including a massive influx of hardware companies and biotech firms. You can read about all of them here.

Click through to see TechCrunch’s picks for the top 9 startups from the day.

Smart Bed Startup Luna Joins Y Combinator

Luna had a successful crowdfunding campaign earlier this year, raising more than $1 million for a mattress cover that adjusts temperature, tracks your sleep and connects to other devices.

Now the company is sharing more news. It’s part of the current class of startups at incubator Y Combinator, and it has also raised $1.3 million in funding…