This is a project which adapts code from another user to allow usage of the PCF8574 I2C lcd backpack for either 20x4 or 16x2 lcd screens. Credit: https://github.com ...
This I2C LCD library provides a supported and working interface to an I2C LCD module in 4-bit mode, such as the 2004A, 1604A, 4002A, 2002A, 1602A, or any 8-bit LCD module in 4-bit mode using an ...
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