I2C Raspberry Pi GPIO Expansion Board

brand: SainSmart SKU: 101-40-130
Only 2 in stock. Order now!

The module use the Raspberry Pi Model B through the I2C bus to expand 8 bi-direction IO.

You can operate Pin A0,A1,A2 through the mini jumper to choose the I2C address. You can choose maximum 8 different address from 0x20-0x27.The module lead to the Raspberry Pi's GPIO again so you can cascade maximum 8 modules one by one

  • Input voltage:5V or 3V
  • 8 bi-direction IO
  • Provide Isolation protection
  • Communicate with I2C bus
  • Expand 8 modules maximum
  • 8 different I2C address that you can choose
  • Reverse insert will not disturb the module

IO definition
The EXT0-EXT7 are 8 bi-direction GPIO that you can use. There are 6 Pins near the letter " ADDR". They are Pin A0,A1,A2.You can choose different I2C address through the setup the mini jumper.


Click to download the manual