LCD (Liquid Crystal Display) I2C (Inter-Integrated Circuit) is an easy-to-use display module, which can make displaying text easier. Using this module can reduce difficulties faced by makers, so they ...
/* Example code to drive a 16x2 LCD panel via a I2C bridge chip (e.g. PCF8574) NOTE: The panel must be capable of being driven at 3.3v NOT 5v. The Pico GPIO (and therefore I2C) cannot be used at 5v.
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