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I2C adapter for LCD
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The I2C LCD backpack is a small PCB that can be soldered onto the back of LCD allowing it to be controlled using an I2C bus. This is compatible with LCDs that use HD44780 display controller.
Overview
The I2C LCD backpack is a small board that can be soldered onto the back of LCD for it to be controlled directly from a microcontroller using the I2C interface. This LCD backpack is compatible with several LCDs that use standard HD44780 compatible interfaces such as LCD1601, LCD1602, LCD1604 and many others.
Specifications
- PCB Color: Black
- Supply Voltage Range: 2.5 V to 6 V
- Dimensions: 41.5 x 19 x 15.3 mm
- I2C Interface Address: 0 x 20 – 0 x 27
The module is an adapter that is mounted directly on the LCD screen. The display should be 1602 or 2004 based on the HD44780 controller.
Communication I2C is an advantage because we only need two wires to communicate with the Arduino development pad or another microcontroller. The two wires are needed for clock and data.
The module contains a potentiometer to adjust the contrast and is also compatible with screens that have backlighting.
The address for the communication bus can be found in the datasheet.
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The I2C LCD backpack is a small PCB that can be soldered onto the back of LCD allowing it to be controlled using an I2C bus. This is compatible with LCDs that use HD44780 display controller.