Waveshare DVK512 Raspberry Pi 2 3 GPIO Expansion Board
—Raspberry Pi 1 Model B+
—Raspberry Pi 2 Model B
—Raspberry Pi 3 Model B
- 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 connects character LCDs like LCD1602
- USB connects: 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