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Arduino Electronics Blueprints by Don Wilcher

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The LCD and OLED basics

The (LCD) is traditionally used to show data, graphics, or both, on electrified glass plates. Typical LCD parts consist of a controller and a glass substrate material. LCD segments mounted on the glass substrate material are operated by an electronic controller that consists of a microprocessor or microcontroller. The LCD's crystal segments are placed between glass plates with electrodes. In order for the crystal segments to form letters or characters, a small AC RMS voltage is needed. The AC RMS voltage turns on the crystal segments. The electronic device responsible for managing this electrified voltage for the crystal segments is the LCD controller. To assure the timing sequences to turn the crystal segments on or off ...

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