Boian Mitov
Published © GPL3+

Use PCF8574(A) I2C GPIO to add more digital pins to Arduino

Easily add more digital inputs and outputs to your Arduino.

BeginnerProtip12 minutes18,449
Use PCF8574(A) I2C GPIO to add more digital pins to Arduino

Things used in this project

Hardware components

Arduino Nano R3
Arduino Nano R3
I use Arduino Nano, because I have one, but any other Arduino compatible will be just fine.
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PCF8574/PCF8574A GPIO Module
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button module
Any button will do
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RGB LED Module
Any RGB LED will do
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Breadboard (generic)
Breadboard (generic)
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Jumper wires (generic)
Jumper wires (generic)
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Software apps and online services

Visuino - Graphical Development Environment for Arduino
Visuino - Graphical Development Environment for Arduino
Arduino IDE
Arduino IDE

Story

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Credits

Boian Mitov

Boian Mitov

75 projects • 436 followers
CEO of Mitov Software, and creator of Visuino

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