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Project

MCP23017 (i2c based) Port Expander with LCD

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Author: Bugz Bensce

Last Updated: 2023-04-01

Package Version: 2.0.0.1

Category: LCD

Downloaded: 1457 times

Followed by: 10 users

License: MIT license  

8-bit alphanumeric LCD done via i2c based Port Expander (MCP23017).

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Download All [3.04MB]

[older versions]

DOWNLOAD LINK RELATED COMPILER CONTAINS
1680364728_mcp23017__i2c_ba_other_pic.zip [3.04MB] Other PIC Compilers
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc

Project Blog

MCP23017 I2C-based Port Expander

MCP23017 I2C-based Port Expander

MCP23017 I2C-based Port Expander used with a character LCD Dsiplay

View full image

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This project is based on the PCF8574 i2c based port expander which is used for Serial character LCDs which are themselves based on the popular Hitachi 44780 lcd driver. The PIC16F887A is used as the Micro-controller (Master device). There's also a Proteus simulation file as well as a schematic diagram accompanying the project.

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