I2C Adapter for LCD 1602

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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.


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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 I 2 C 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.


Instructions for Use


1. Connect the I 2 C adapter to the LCD module.

You can use the adapter in several ways. An easy way to use is to use a breadboard to make connections between the adapter and LCD mode. If you experience fludor sticking, you can attach the adapter directly to the back of the LCD.

2. Connect the LCD to a development board.

In this tutorial, we'll show you how to use the LCD along with an Arduino development board. This LCD is compatible with any interface that supports the growth plate I 2 C. 

The connection to the development board is as follows:

The SDA and SCL pins correspond to the A4 and A5 pins respectively. The mode is powered by a voltage of 5 V DC.

3. Charge the code.

All you need to do is upload a code Arduino development board to use LCD control interface I 2 C.

Required libraries are "Wire.h" and "LiquidCrystal_I2C.h". The first library is included in the Arduino IDE development platform, and the second one can be downloaded from the attached files below.

To add the library, you must open the development environment and select the Sketch> Include Library> Add .ZIP library tab  Now a window opens where you need to select the library "LiquidCrystal_I2C.ZIP". 

The I 2 C address of the LCD is usually 0 x 27. If this address does not work, you can use the address 0 x 3F.

4. Adjust the contrast.

If you can not see the characters displayed on the screen, there is a blue potentiometer on the back of the mode to adjust the contrast.


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I2C Adapter for LCD 1602

I2C Adapter for LCD 1602

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.


See Description for more details about the product.

Add to cart now!

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