This display incorporates an I2C interface that requires only 2 pins on a MCU to interface with and it has good library support to get up and running fast. Note: The non-uniformity in the picture is due to the protective film covering the display playing a trick on the camera. The backlight is not controllable and is ON when power is applied to the module. If this happens, just fiddle with the adjustment until it gives the best display. If the potentiometer is turned too far in one direction or the other, the display will appear blank or solid squares will appear instead of characters. The backlight has a potentiometer for adjustment of the contrast of the display for best viewing. Each of the characters are composed of a 5 x 8 dot matrix for good character representation. The display is composed of a 16 character x 2 line LCD display with a blue backlight and white characters. For an interactive display, pairing this type of display with a rotary encoder to navigate and select menu items on the display can provide a very nice user interface. These displays are straightforward to use and are a great way to provide a user interface on many projects where you need more info than simple LED indicators or 7-Segment displays can provide since these are full alphanumeric displays with 2 lines of 16 characters each. Adjustable backlight intensity and contrast. ![]() KEY FEATURES OF LCD1602 16×2 I2C BLUE LCD DISPLAY : The LCD1602 16×2 I2C Blue LCD Display provides a 16 character x 2 line LCD with I2C interface for easy control by a microcontroller.
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