It is up to our software to decide what to upload when we want to draw lines, circles and more importantly – text. The actual LCD controller allows us to upload simple visual data (dot on or dot off) into the LCD’s dot matrix, but not much else. Working with dot matrix LCDs with microcontrollers, while not difficult, is tedious. It is written in C# for Visual Studio 2008 and has been tested on Windows XP, 2003, Vista, 7 and Linux via Mono.
These fonts are then uploaded via the LCD driver (see the Drivers and Modules page for a few) to the actual dot matrix LCD. The Dot Factory is a small open source tool (MIT licensed) intended to generate the required C language information to store many fonts and images, as efficiently as possible, on a microcontroller.
Tools The Dot Factory: An LCD Font and Image Generator.
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