IO Expansion Shield (Waveshare) 3/4pin sensor interfaces, XBee / WIFI-LPT100 wireless connector

Features

• 3-pin & 4-pin sensor interfaces, supports connecting sensors directly without complicate custom connections
• XBee module connector
• WIFI-LPT100 wireless module connector

What's on Board

1. XBee module connector
2. IIC interface
3. SPI interface
4. 3-pin sensor interface
   
   • VCC : power positive
   • GND : ground
   • D : digital pin, correspond to the Arduino board
5. WIFI-LPT100 connector
6. 4-pin sensor interface
   
   • VCC : power positive
   • GND : ground
   • A : analog pin, correspond to the Arduino board
   • D : digital pin, correspond to the Arduino board
7. VCC configuration : for selecting sensor interfaces power voltage
8. Debugging/Communication selection jumper
   
   • when connecting TXD and TX, RXD and RX respectively, the Arduino board may debug/config the XBee module or WIFI-LPT100 through serial port
   • when connecting TXD and RX, RXD and TX respectively, the Arduino board may communicate with the XBee module or WIFI-LPT100 through serial port
9. Power indicator
10. WIFI-LPT100 state indicator
11. XBee module state indicator
12. WIFI-LPT100 RELOAD button : for restoring to factory setting
13. XBee module and WIFI-LPT100 RESET button
14. XBee module EASYLINK button

Photos

Downloads

Development resources: demo codes, schematic, datasheets, etc.
www.waveshare.com/IO_Expansion_Shield