So you are serious about IoT projects? The SiB is a self-powered, internet connected button that can be programmed to operate in a wide variety of ways. It can be used as a door bell, fridge alarm, pet location tracker, emergency button for seniors, and smart home controller.
The button is capable of sending instant messages, measuring temperature, detecting button-press sequences, and performing timed tasks. A variety of sensors and accessories are available to let you do even more with your SiB.