Arduino I2C Use, I2C/SPI LCD Backpack

Saving you 4 pins, every day

Gammon Forum : Electronics : Microprocessors : Connecting a graphical LCD via a I2C/SPI using a 16-bit port expander

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Arduino I2C Use, I2C/SPI LCD Backpack

Arduino I2C LCD Backpack Introductory Tutorial

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Overview, I2C/SPI LCD Backpack

I2C LCD Backpack DIY the right way - Displays - Arduino Forum

Arduino + cheap i2c LCD Backpack. You bought one of these boards and…, by Ubi de Feo

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