Raspberry Pi - I2C 23017 x8 - ext 128 GPIO Board


i2c 23017 x8 - 128 GPIO Board for

  with 128 GPIO Status LED


128 GPIO board PCB size 130mm x 95mm


128 GPIO output with 128 Blue LED     PCB size 130mm x 95mm


   1. Provide 2x 20x2 40 pin same as Pi, one use 40pin GPIO cable connect to Pi

       one 20x2 40pin  for GPIO pin extra access.

   2. Provide extra i2c pin and spi pin for easy connect device

   3. Provide 128 GPIO status blue LED

4  Provide each 23017 Address select A0,A1,A2

   can rearrange 23017 location by your order

5. U2 ,U3 ,U4, U5 ,U6 ,U7,U8 ,U9  23017 Port A,B

6. Each GPIO pin out 2X10 ,

    Bank B(1-10) GPIO (0,1,2,3,4,5,6,7,GND, INTB)

    Bank A(1-10) GPIO (0,1,2,3,4,5,6,7,GND, INTA)




   use i2cdetect -y 1   you can found 8 devices in system



  new output test program    23017-8port-s-v103.py  demo




Download sample program

led-21.py led-22.py 23017-21.py 23017-22.py

23017-8port-s-v103.py       *** 23017 Datasheet


Download    User Manual

Package Content

   1x  I2C 23017-8-ext  128 GPIO board

1x manual

Raspberry Pi


spi 23s17-8-ext

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