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AVR and Character Liquid Crystal Displays
In previous chapters you’ve used LEDs, numerical LED displays, and the larger MAX7219 to display numerical values. However, a common liquid crystal display (LCD) module can allow your AVR projects to show a more versatile range of output, including text, numerical data, and your own custom characters.
In this chapter, you’ll use character LCD modules to display all three types of data. To do so, you’ll learn to convert integers into string variables and display floating-point numbers on the LCD. Along the way, you’ll build your own digital clock and a digital thermometer that can display the minimum ...
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