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Test a 16*2 LCD display with I2C module interfacing with arduino uno

Category: Arduino Compatible Kits Tags: 16*2 LCD DISPLAY, Arduino Uno, I2C module

KIT INCLUDES:

In this project you will see how to connect i2c LCD display to arduino and how to print on LCD display.

Each I2C bus consists of two signals: SCL and SDA. SCL is the clock signal, and SDA is the data signal. The clock signal is always generated by the current bus master; some slave devices may force the clock low at times to delay the master sending more data (or to require more time to prepare data before the master attempts to clock it out). This is called “clock stretching”

HARDWARE REQUIRED

SOFTWARE REQUIRED

Arduino IDE 1.8.5 (programmable platform for Arduino)

Click To Download :https://www.arduino.cc/en/Main/Software

SPECIFICATIONS

I2C LCD Serial Module

IC/I2C Interface Adapter Module is used for 16×2 LCD Display. It uses the PCF8574T IC chip which converts I2C serial data to parallel data for the LCD display. Also this interface module simplifies connecting an Arduino to a 16×2 Liquid Crystal display using only 4 wires.

Supply Voltage: 5V
Interface: I2C
Compatible for 16×2 LCD
Brightness and Contrast can be adjusted by the Potentiometer

**16*2 LCD**

LCD Display Mode: STN, Positive, Transflective
Display Color: Deep Blue/ Yellow Green
Viewing Angle: 6H
Driving Method : 1/16 duty, 1/5 bias
Back Light : Yellow-Green LED backlight
Outline Dimension: 803615.8 MAX

PIN DESCRIPTION

I2C LCD Serial Monitor

16*2 LCD

Symbol	External Connection	Function
VSS	Power Supply	Signal GROUND for lcm
VDD		POWER SUPPLY for logic lcm
V0		Contrast Adjust
RS	MPU	Register Select Signal
RW	MPU	Read/Write Select Signal
E	MPU	Operation Enable Signal
DB0~DB3	MPU	Four Low order bidirectional three state bus lines. Used for data transfer between the MPU and LCM. These four are not used between 4 Bit operations.
DB4~DB7	MPU	Four high order bidirectional Three state bus lines used for data transfer between the MPU
A	LED BKL power Supply	Power Supply for BKL
K	LED BKL power Supply	Power Supply for BKL

CIRCUIT CONNECTION

Attach the LCD display with I@C as given in diagram below:

I2C SHIELD	Arduino uno
Gnd	Gnd
Vcc	5v
SDA	A4
SCL	A5

CODE

Click to see the code or copy the link:

https://docs.google.com/document/d/e/2PACX-1vQy2uxOkll2BakGIkd1q8KoxZ9ikmYRmuTMAK4c_5qAe2_9mLWIHsMkybG7OMVi-mJ6mrmxSRZ-V3mr/pub

WORKING

Upload the code and must check your connection before uploading the code

Battery operated	Yes , 1 nos 9V battery included

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HARDWARE REQUIRED

SOFTWARE REQUIRED

SPECIFICATIONS

I2C LCD Serial Module

**16*2 LCD**

PIN DESCRIPTION

I2C LCD Serial Monitor

16*2 LCD

CIRCUIT CONNECTION

CODE

WORKING

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