Waveshare DVK512 Raspberry Pi Expansion Board

Waveshare DVK512 Raspberry Pi Expansion Board is a development board for Raspberry Pi that integrates multiple interfaces and onboard components for expansion and testing. It supports connection to external accessory boards through UART, SPI, and I2C interfaces. The board also provides 8 I/Os and a direct header for character LCD connection. Additional onboard features include a USB connector, power indicator, LED, potentiometer for LCD1602 contrast adjustment, RTC battery holder, PCF8563 RTC chip, 32.768K crystal, CP2102 USB-to-UART chip for debugging, and dedicated jumpers for CP2102, RTC, LED, and user keys.

Features of Waveshare DVK512 Raspberry Pi Expansion Board

• Raspberry Pi expansion board
• UART interface
• 8 I/Os
• SPI interface
• I2C interface
• Direct character LCD header
• USB connector
• Power indicator
• LED
• LCD1602 contrast potentiometer
• RTC battery holder
• PCF8563 RTC chip
• 32.768K crystal
• CP2102 USB-to-UART chip
• CP2102 jumper
• RTC jumper
• LED jumper
• User keys jumper

Specifications of Waveshare DVK512 Raspberry Pi Expansion Board

• Model: DVK512
• Supported Raspberry Pi boards: Raspberry Pi 1 Model A+/B+ and 2 and 3 Model B
• Pin header for Raspberry Pi connection
• UART communication
• 8 I/O communication
• SPI communication
• I2C communication
• Pin header for direct character display connection
• USB connector
• Power indicator
• LED
• Potentiometer for LCD1602 contrast adjustment
• RTC battery holder
• PCF8563 chip for RTC
• 32.768K crystal for RTC
• CP2102 chip for USB to UART conversion for debugging
• CP2102 and RTC jumper
• LED and user keys jumper

How to Use Waveshare DVK512 Raspberry Pi Expansion Board

1. Connect the board to a supported Raspberry Pi model using the pin header.
2. Use the UART, SPI, I2C, or 8 I/O interfaces as needed.
3. Connect a character LCD through the direct display header if required.
4. Adjust the LCD1602 contrast with the onboard potentiometer.
5. Use the USB connector and CP2102 chip for USB-to-UART debugging.

More Info

• Onboard RTC support is provided by the PCF8563 chip.
• Dedicated jumpers are included for CP2102, RTC, LED, and user keys.