ℹ️ You can also get examples provided with the library in the Arduino IDE through the menu File > Examples > GPIOViewer ℹ️ You only need to include the library, declare the GPIOViewer and call begin() ...

or located under the following github pages github.io. Additionally in combination with the technical datasheet of microchip PCF8574-Datasheet. PCF8574_I2C::PCF8574 ...

For many readers, more snow is the last thing they want to see right now…but what if it comes in the form of an online simulator in the style of an old DOS game? Created by [Potch], it works like one ...