Waveshare DVK512 Raspberry Pi 2 3 B GPIO Expansion Board

Waveshare DVK512 Raspberry Pi 2 3 GPIO Expansion Board

Item description:

1. Pinheaders for connecting with the RPi
2. UART interface:easily connects to UART modules such as RS232, RS485, USB TO UART, etc.
3. 8I/Os interface:easily connects to modules controlled by I/Os, such as 8 Push Buttons, Logic Level Converter, Mix Board, etc.
4. SPI interface:easily connects to SPI modules such as AT45DBXX Dataflash, L3G4200D Board, etc.
5. I2C interface:easily connects to I2C modules such as PCF8574 Expansion Board, PCF8563 RTC Board, LSM303DLHC Board, etc.
6. Character LCD interface: for connects character LCDs like LCD1602
7. USB connects: USB TO UART, supported by onboard converter CP2102
8. Power indicator
9. User LEDs
10. User Keys
11. Potentiometer: for LCD1602 contrast adjustment
12. RTC battery holder
13. PCF8563: onboard RTC chip
14. 768K crystal: RTC crystal
15. CP2102: onboard USB TO UART chip, for debugging
16. CP2102 jumper
17. RTC jumper
18. User LEDs jumper
19. 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

The User Guide CD includes development resources listed as follow:

User manual

Schematic (PDF)

Examples in C (Linux API source code)

Development documentations (Raspbian configuration, C library installation)

Raspbian (the configured system image for RPi)

Examples in C:

LED (I/Os)

Logic Level Converter (I/Os)

JOYSTICK (I/Os)

Key (I/Os)

BUZZER (PWM)

DS18B20 (1-WIRE)

IRM (I/Os)

LCD1602 (I/Os)

PCF8563 (RTC)

PCF8591 (AD/DA)

LSM303DLHC (I2C)

L3G4200D (SPI)

CP2102 (UART)

GPS (UART)

Download:(User guide download location)

www.waveshare.com/wiki/DVK512

Packing List:

DVK512 x 1pcs

USB type A plug to mini-B plug cable x 1pcs

4-pin 2-pin wires pack x 1pcs

RPi screws pack (2pcs) x 1set