This project uses a web service to retrieve weather information and display it on an LED matrix display (Figure 17-1).
FIGURE 17-1 Displaying weather data.
This project is compatible with both the Arduinos Uno and Leonardo. To build this project, you will need the following:
The Ethernet shield uses 200 to 300mA and may draw more current than the USB lead can comfortably cope with, so it is recommended that ...