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 |
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
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