If anyone from around the world tweets "Water @WilbertThePlant" the red solo cup attached to the bamboo will flip and water Wilbert.

A motion controlled/light sensing activated relay board to control your lights, fans, or any other household appliance.

A smartphone garage door remote and status sensor using Blynk and Photon.

A visual doorbell for the deaf and hard of hearing which provides visual and audio (for hearing) notifications.