With the power of the Arduino UNO R4 WiFi, you can create a dynamic weather dashboard web page that displays all your environmental data in real-time without relying on third-party cloud services. No ...

Each LED anode (long leg) is connected to Arduino digital pins D2 through D10. Each LED cathode (short leg) is connected to GND through a 220Ω resistor.

// put your main code here, to run repeatedly: ...