... laminate designs, including two blind holes, hole buried layer; 2, size is only 6 * 6cm; 3, Single-supply ... board.Bottom features are as follows: 1, USB HOST interfaces; 2, USB Device Interface 3 way 232, 3-way TTL ... Two LED lights, LED lights the way directed; 13, Camera Interface 14, headphone jack, 1.5W speaker interfaces; 15 ... board + 4.3 inch touch LCD Andriod-2.0 ARM11 Development Board 6410 Series ...