Introduction: How to Use Serial I2C 16x2 LCD Display Module With NodeMcu ESP8266

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Step 1: Components Required

NodeMcu ESP8266

16x2 LCD Display Module (Serial I2C)

Breadboard

USB Cable (Type A to Type Micro-B)

Jumper Cable

Step 2: Circuit Schematic

Connect SCL Pin of LCM1602 IIC to D1 Pin of NodeMcu ESP8266

Connect SDA Pin of LCM1602 IIC to D2 Pin of NodeMcu ESP8266

Connect VCC Pin of LCM1602 IIC to VU Pin of NodeMcu ESP8266

Connect GND Pin of LCM1602 IIC to GND Pin of NodeMcu ESP8266

Step 3: Wiring Components As Per Circuit Schematic

Step 4: Coding

Check YouTube Video Description Box for Download Source Code

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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