DVK512 is an expansion board designed for Raspberry Pi, integrates various components and interfaces for conting 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
UART interface:easily conts to UART modules such as RS232, RS485, USB TO UART, etc.
8I/Os interface:easily conts to modules controlled by I/Os, such as 8 Push Buttons, Logic Level Converter, Mix Board, etc.
SPI interface:easily conts to SPI modules such as AT45DBXX Dataflash, L3G4200D Board, etc.
I2C interface:easily conts to I2C modules such as PCF8574 Expansion Board, PCF8563 RTC Board, LSM303DLHC Board, etc.
Character LCD interface:for conting character LCDs like LCD1602
USB contor: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
768K crystal:RTC crystal
CP2102:onboard USB TO UART chip, for debugging
CP2102 jumper
RTC jumper
User LEDs jumper
User Keys jumper
For jumpers above:
short the jumper to cont to I/Os used in example code
open the jumper to cont to other custom pins via jumper wires
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Wireless Keyboard Mouse Remote For Raspberry Pi – OKY9021 
