This appears to be a problem with function Ethernet.linkStatus() returning an incorrect status. It declares that the Ethernet cable is not connected when it is. I modified the app by putting code at ...

Most connected IoT devices today are connected to the internet using a Wi-Fi connection. Although a Wi-Fi connection enables remote access to the internet, it has its own limitations. For instance, in ...

The article is a tutorial on how to control 16 relay through Arduino microcontroller with Ethernet shield W5100. Hello, I'm going to share again with another project that helps many of you to solve ...

The USB port of the Arduino Uno can be connected to an USB device or port that can provide a stable 5V output like a computer or power bank or USB charger, etc. By using the USB cable, you can ...