Waveshare DVK512 Raspberry Pi Expansion / Evaluation Board integrates various components and interfaces such as UART 8I/Os SPI

Overview:

DVK512 is an expansion board designed for Raspberry Pi, integrates various components and interfaces for connecting external accessory boards. It's ideal for Raspberry Pi evaluation and development.

Supported Pi:

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

What's on the DVK512

Waveshare DVK512

Pinheaders for connecting with the RPi

Pinheaders for connecting with the RPi
UART interface: easily connects to UART modules such as RS232, RS485, USB TO UART, etc.
8I/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 Dataflash, 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
RTC battery holder
PCF8563: onboard RTC chip
32.768K crystal: RTC crystal
CP2102: onboard USB TO UART chip, for debugging
CP2102 jumper
RTC jumper
User LEDs jumper
User Keys jumper