... . In order to reliably connect with the floor, the core board with 170 square feet stamp bottom hole ... interface; 7, SD card interface 8, RTC rechargeable battery; 9,5 V power input 10,10 keys, ... , the development board comes standard with 4.3 "belt TOUCH LCD, and with 7-inch LCD optional.Packing included ... line of a serial lines 1 a development board (with 4.3 "LCD) supporting a number of CD-ROM ...