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Test a 16*2 LCD display with I2C module interfacing with arduino uno - KT822

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Beschreibung

KIT INCLUDES:

  • 16*2 i2c DISPLAY - 1
  • Arduino uno with USB cable - 1
  • Jumper wire(male to female) – 40 pieces
  • 9v battery-1
  • DC jack – 1

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
  • 16*2 i2c DISPLAY - 1
  • Arduino uno with USB cable - 1
  • Jumper wire(male to female) – 40 pieces
  • 9v battery-1
  • DC jack – 1
SOFTWARE REQUIRED

Arduino IDE 1.8.5 (programmable platform for Arduino)

Click To Download :https://camblick.com/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

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://camblick.com/document/d/e/2PACX-1vQy2uxOkll2BakGIkd1q8KoxZ9ikmYRmuTMAK4c_5qAe2_9mLWIHsMkybG7OMVi-mJ6mrmxSRZ-V3mr/pub

WORKING

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