DVK512 - Raspberry Pi Expansion Board features various interfaces for connecting external accessory boards and integrates various components. It's ideal for Raspberry Pi evaluation and development.

Raspberry Pi Expansion Board features:

• Designed for Raspberry Pi
• UART interface: easily connects to UART modules such as RS232, RS485, USB TO UART, etc.
• 8 I/Os interface: easily connects to modules controlled by I/Os, such as 8 Push Buttons, Logic Level Converter, Mix Board, etc.
• SPI interface: easily connects to SPI modules such as AT45DBXX Data flash, L3G4200D Board, etc.
• I2C interface: easily connects to I2C modules such as PCF8574 Expansion Board, PCF8563 RTC Board, LSM303DLHC Board, etc.
• Character LCD interface: for connecting character LCDs like LCD1602
• USB connector: USB TO UART, supported by onboard converter CP2102
• Power indicator, User LEDs, User Keys
• Potentiometer: for LCD1602 contrast adjustment
• PCF8563 onboard RTC chip with battery holder and crystal
  

Supported Raspberry Pi Models:

• Raspberry Pi 1 Model A+
• Raspberry Pi 1 Model B+
• Raspberry Pi 2 Model B
• Raspberry Pi 3 Model B