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PCF8574T I/O Expander: Arduino, datasheet, PDF and Pinout [Video&FAQ]
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![interfacing Arduino with LCD using PCF8574T [SOLVED] - Project Guidance - Arduino Forum](https://europe1.discourse-cdn.com/arduino/optimized/4X/d/5/9/d59f16afb698e3a88c81e3fb4fca4b16ec7697d6_2_1024x865.png "interfacing Arduino with LCD using PCF8574T [SOLVED] - Project Guidance - Arduino Forum")
interfacing Arduino with LCD using PCF8574T [SOLVED] - Project Guidance - Arduino Forum
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