Tarantula3
Published

PCF8574 GPIO Extender - With Arduino and NodeMCU

In this tutorial, I am going to talk about the PCF8574 8-bit GPIO port extender.

BeginnerProtip1 hour24,065
PCF8574 GPIO Extender - With Arduino and NodeMCU

Things used in this project

Hardware components

Breadboard (generic)
Breadboard (generic)
×1
PCF8574 GPIO Extender IC
×1
PCF8574 GPIO Extender Breakout Board
×1
Arduino Nano R3
Arduino Nano R3
×1
NodeMCU ESP8266 Breakout Board
NodeMCU ESP8266 Breakout Board
×1
5 mm LED: Red
5 mm LED: Red
×8
Resistor 220 ohm
Resistor 220 ohm
×8
Resistor 10k ohm
Resistor 10k ohm
×2
Jumper Cables
×1
USB Cable to upload the code
×1

Software apps and online services

Arduino IDE
Arduino IDE

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Credits

Tarantula3

Tarantula3

51 projects • 71 followers
There were 1000+ sperms but I was the fastest one..

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