I am going to give a small surprise to my partner on her birthday.
In this tutorial, I am going to talk about the PCF8574 8-bit GPIO port extender.
Did you ever get into a situation where you had to wire up two, three or more I2C sensors to your Arduino just to realize the limitation?
A useful device that serves for a short-term local and three-day weather forecast.
Project tutorial by Mirko Pavleski
This revisionist's project examines the meanings of being ALIVE and being AWARE based on the Caveman in the Box Theory.
Project in progress by ihacklab
Mechanical tulip sculpture that blooms with just gentle touch and can shine into any color of a rainbow.
Project tutorial by Jiří Praus
Check this one out too: https://www.hackster.io/tarantula3/pcf8574-gpio-extender-with-arduino-and-nodemcu-a8cb00
Even easier and inexpensive way of doing this
Very well done, I have been trying to make something like this for a while but was struggling really badly with the mechanical bit.
Your explanation has now given me a new direction
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