Edwin Robotics 16 Input/Output Port Expander Breakout - MCP23s17


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Addressible 16-BIT I/O Expander  board with Serial Interface

26.25 AED

25.00 AED AED tax excl.

Are you low on I/O? No problem! The MCP23s17 Breakout is a 16-channel GPIO expander with an SPI interface – that means with just four wires, your microcontroller can interface with 16 fully configurable digital input/output pins. The headers are well labelled on the silkscreen of the breakout board. There is separate 2-pin headers labelled Vcc and GND, this is where you can supply power to the MCP23s17 breakout board, it supports wide supply range of 1.8v~5.5V and are best suitable for Arduino and Raspberry Pi. There is separate 5-pin header for SPI communication. The GPIO pins are broken out in every direction and configurable DIP Switch for address selection is provided on the top, refer the datasheet for address selection lookup table. The MCP23s17 breakout makes it easy to prototype so you can add more I/O onto your Arduino/Raspberry Pi or I/O limited controller. We’ve added Arduino Library below to get you started!

Note: This batch the Silkscreen on the entire "port A" side is reversed, thus the top right pin on the board will start from A7, then A6 and goes on till A0 then the Last Pin INT A.


  • 16-bit input/output port expander with interrupt output
  • Cascadable for up to 8 devices on one bus
  • 25mA sink/source capability per I/O
  • Supports up to 10MHz SPI™ clock speeds
  • Operating Voltage Range (V): 1.8 to 5.5
  • Operating Temp Range (°C): -40 to 125
  • Interface   : SPI
  • Max. Bus Frequency (kBits/s): 10000
  • Channels: 16
  • Process Control
  • Data Acquisition
  • input output Devices

Files and documents:

Hookup Guide

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