DVK570 is an expansion board designed for Cubietruck, integrates various components and interfaces for connecting external accessory boards. It's ideal for Cubietruck evaluation and development. 

1. Cubietruck connector
2. UART0 interface: for connecting serial debugging module
3. I2C interface: easily connects to I2C modules
such as PCF8563 RTC Module, MAG3110 Board, etc.
4. TVIN interface: video input
5. TVOUT interface: video CVBS output, for connecting display devices like TV
6. LINEIN interface: audio input
7. USB interface: USB TO UART (PL2303TA)
8. UART interface: easily connects to UART modules such as RS485 Board (3.3V), GPS module, etc.
9. SPI interface: easily connects to SPI modules such as AT45DBXX Dataflash, etc.
10. ZigBee connector: for connecting ZigBee 
modules like Core2530, supports working with ZB501
11. ONE-WIRE interface: easily connects to ONE-WIRE devices (TO-92 package), such as temperature sensor (DS18B20), electronic registration number (DS2401), etc.
12. 5V/3.3 V power input/output: usually used as power output, also common-grounding with other user board
13. PL2303TA: onboard USB TO UART convertor 14. 12M crystal: for PL2303TA
15. Buzzer
16. User LEDs: 4 colorful LEDs
17. Power indicator
18. AD keys: 7 common Android keys
19. ONE-WIRE jumper
20. Buzzer jumper
21. AD Keysjumper
22. User LEDs jumper
23. TVIN jumper
24. TVOUT jumper
25. UART0 jumper
Package list:
1. DVK570 x1 
2. USB Camera OV7670 x1 
3. UART GPS x1 
4. AT45DBXX DataFlash Board x1 
5. MAG3110 Board x1 
6. RS485 Board (3.3V) x2 
7. DS18B20 x1