Backers included Atlas Venture, Deep Fork Capital, Boldstart Ventures, and Space Pirates.
The company intends to use the funds to expand adoption among offices and continue product development.
Led by CEO Sam Dunn and CTO Brian Muse, Robin provides software for building automation and presence sensing in offices. Using the latest sensors and wireless technology, Robin connects the people, devices, and systems already available in the workplace. Conference rooms book themselves, displays adapt to the people in front of them, and walking through the door logs people into the room.