Receive a text notification when someone rings your doorbell! Whether you are in the backyard gardening, over at the neighbors house, or listening to music at full blast, you will always know when someone is at your door. Install this littleBits doorbell outside your home, and never miss a ring.
littleBits makes an open source library of electronic modules that snap together with magnets for prototyping, learning, and fun. Find out more at littleBits.cc