Friday, July 14, 2006

4x20 Serial LCD with Keypad Interface

If you want to add some spice to your plain looking computer, you can add an external LCD display. The Parallax's 4x20 Serial LCD with Keypad Interface (manufactured by Matrix Orbital) is one such option. It supports a serial interface which can be connected to your computer serial port and programming it is pretty simple - use serial port programming in .NET and send the necessary commands (as byte arrays) to display strings and special characters. You can also programmatically switch off the backlight as well as adjust the contrast. This is one cool device that you need to have! It comes at a slightly high price, though, at $99.95.

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