Arduino Workshop, 2nd Edition

9 Liquid Crystal Displays

In this chapter you will

• Use character LCD modules to display text and numeric data
• Create custom characters to display on character LCD modules
• Use color LCD modules to display text and data
• Create a temperature history–graphing thermometer display

For some projects, you’ll want to display information to the user somewhere other than on a desktop computer monitor. One of the easiest and most versatile ways to display information is with a liquid crystal display (LCD) module and your Arduino. You can display text, custom characters, and numeric data using a character LCD module and color graphics with a graphic LCD module.

Character LCD Modules

LCD modules that display characters such as text and numbers are the ...