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an LCD library for the HD44780 based LCD with PCF8574 I2C expander

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src		src
README.md		README.md

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nodemcu-i2c-lcd

introduction

This project is written for NodeMCU platform, and it is for HD44780 based LCD screen with PCF8574 I2C expander.

This project is still under construction.

TO-DO list

4-bit mode low-level functions
custom characters
mid level functions (setting DDRAM, CGRAM, etc.)
high level functions (clear screen, print a sentence, etc.)
make it a lua library

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an LCD library for the HD44780 based LCD with PCF8574 I2C expander

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