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A LCD display for printing characters only. It's usually very easy to interface with and suitable for simple microcontrollers to create menus or show system status. HD44780 compatible LCDs are the most common type.

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Check that: \$V_{OH-µC}>V_{IH-LCD}\$ \$V_{OL-µC}<V_{IL-LCD}\$ If you're reading data from the LCD too, check: \$V_{IH-µC}<V_{OH-LCD}\$ \$V_{IL-µC}>V_{OL-LCD}\$ Where : \$V_{OH}\$ is the High l …
answered Mar 9 '17 by HatimB