Using affordable microcomputers and free software, we are going to create a hardware and software platform, which will give SMEs the opportunity to use IT solutions, which are widely used in big companies, and are not in small ones because of the high cost. It will be possible to create different systems of automation by using created platform and performing appropriate developments. Power Brick is a system managing energy / electricity. Voice Brick is a mini PAX which will simply and cheaply manage incoming and outgoing calls of your office. You can be aware of sensor of fire fighting, signal, motion indicators and etc due to Sensor Brick.