Micropython I2C-based manipulation of the MCP series GPIO expander, derived from Adafruit_MCP230xx
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An Interactive MQTT packets manipulation shell based on IPython
This MicroPython library provides a framework for interacting with HD44780-based LCD displays through a PCF8574 I/O expander. It offers a high-level API for LCD control, including text display, cursor manipulation, and backlight settings, while also providing lower-level access to the GPIO operations on the PCF8574.