Introduction: How to Use Serial I2C 16x2 LCD Display Module With Raspberry Pi 3 Model B

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Step 1: Components Required

Picture of Components Required

Raspberry Pi 3 Model B

16x2 LCD Display Module (Serial I2C)

USB Cable (Type A to Type Micro-B)

Ethernet Patch Cable (Straight)

Jumper Cable

Step 2: Circuit Schematic

Picture of Circuit Schematic

Connect SCL Pin of LCM1602 IIC to Pin No. 05 (GPIO03) of Raspberry Pi 3 Model B

Connect SDA Pin of LCM1602 IIC to Pin No. 03 (GPIO02) of Raspberry Pi 3 Model B

Connect VCC Pin of LCM1602 IIC to Pin No. 02 (5V) of Raspberry Pi 3 Model B

Connect GND Pin of LCM1602 IIC to Pin No. 06 (GND) of Raspberry Pi 3 Model B

Step 3: Wiring Components As Per Circuit Schematic

Picture of Wiring Components As Per Circuit Schematic

Step 4: Coding

Check YouTube Video Description Box for Download Source Code

Enable I2C in Raspberry Pi:

sudo raspi-config

Install I2C Tools & Python SMBUS in Raspberry Pi:

sudo apt-get install i2c-tools

sudo apt-get install python-smbus

Detect I2C Device Address:

i2cdetect -y 1

Note: In case of no display, adjust Contrast using the Blue Color Potentiometer on LCM1602 IIC

Step 5: Watch Project Demo

For Best Viewing Experience, Choose Video Quality to 1080p

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