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MCP23008

Microchip

8-Bit I/O Expander with Serial Interface I2C GPIO expander

Release year: 2007

Always confirm information before making software, design or purchasing decisions.

✅3V ✅5V

Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/21919e.pdf

Adafruit: https://www.adafruit.com/product/593

Search Amazon for MCP23008

Drivers and resources

  • GitHub - adafruit/Adafruit-MCP23008-library: Arduino Library for the ...
  • TinyWireMCP23008 - MCP23008 library for ATtiny85 microcontroller
  • nodemcu-firmware/mcp23008.lua at master · nodemcu/nodemcu ...
  • WiringPi/mcp23008.c at master · WiringPi/WiringPi · GitHub

Addresses:

  • 0x20
  • 0x21
  • 0x22
  • 0x23
  • 0x24
  • 0x25
  • 0x26
  • 0x27
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