I can control my 6 remote controlled wall sockets(lights) and the garage door from my android phone. I connected a arduino microcontroller to my internet connection and added 433 Mhz transmitting functionality. I created the arduino program and
My Mbed microcontroller posts electricity, water and gas usage, indoor temperature, humidity, air pressure, light intensity and air quality, PIR motion activity to Xively.com every 60 seconds.
Measures your heartbeat and sends it through the internet to a light-emitting bracelet that starts beating in the same pulse as your own heart.
This board is pretty handy to test power suppliers. This board accepts a Arduino Nano. And through the serial monitor you can type desired the constant current, constant power or constant resistance.