O'Reilly logo

The TAB Book of Arduino Projects: 36 Things to Make with Shields and Proto Shields by Simon Monk

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

CHAPTER 21

LED Matrix Clock

image

This project uses an LED matrix module and a real-time clock to display the time and date in scrolling text (Figure 21-1).

image

FIGURE 21-1 LED matrix clock.

When the button is pressed, the clock toggles between displaying the time and displaying the date. The time is automatically set from your computer’s clock when uploading the sketch if the button is pressed during the sketch upload.

 

Parts

To build this project, you will need the following:

 

Protoshield Layout

Figure 21-2 shows the schematic diagram for the project, ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required