If you want to make smart home, maybe you will need this hardware. It's mini single-board computer.
Linux runs in NanoPi.
Processor ? Samsung S3C2451 ARM9 @ 400Mhz
System Memory ? 64M DDR2
Storage ? micro SD slot
Connectivity ? AP6210 module for 802.11 b/g/n WiFi and Bluetooth 4.0
USB ? 1x USB 1.1 host port, 1x micro USB OTG port for power and data (serial or Ethernet)
Display I/F ? LCD Interface: 0.5mm pitch SMT FPC seat, support full-color LCD (RGB: 8-8-8)
Camera I/F ? DVP Camera Interface: 0.5mm pitch FPC connector, including ITU-R BT 601/656 8-bit, I2C and GPIOs
Debugging ? Serial Port