Introduction: How to Use 4x4 Matrix Membrane Keypad Module With Arduino Uno Rev3

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Step 1: Components Required

Picture of Components Required

Arduino Uno Rev3

16x2 LCD Display Module (Serial I2C)

4x4 Matrix Membrane Keypad Module

USB Cable (Type A to Type B)

Jumper Cable

Step 2: Circuit Schematic

Picture of Circuit Schematic

Connect SCL Pin of LCM1602 IIC to SCL Pin of Arduino Uno Rev3

Connect SDA Pin of LCM1602 IIC to SDA Pin of Arduino Uno Rev3

Connect VCC Pin of LCM1602 IIC to 5V Pin of Arduino Uno Rev3

Connect GND Pin of LCM1602 IIC to GND Pin of Arduino Uno Rev3

Connect Column1 Pin of 4x4 Matrix Membrane Keypad Module to D2 Pin of Arduino Uno Rev3

Connect Column2 Pin of 4x4 Matrix Membrane Keypad Module to D3 Pin of Arduino Uno Rev3

Connect Column3 Pin of 4x4 Matrix Membrane Keypad Module to D4 Pin of Arduino Uno Rev3

Connect Column4 Pin of 4x4 Matrix Membrane Keypad Module to D5 Pin of Arduino Uno Rev3

Connect Row1 Pin of 4x4 Matrix Membrane Keypad Module to D6 Pin of Arduino Uno Rev3

Connect Row2 Pin of 4x4 Matrix Membrane Keypad Module to D7 Pin of Arduino Uno Rev3

Connect Row3 Pin of 4x4 Matrix Membrane Keypad Module to D8 Pin of Arduino Uno Rev3

Connect Row4 Pin of 4x4 Matrix Membrane Keypad Module to D9 Pin of Arduino Uno Rev3

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

Step 5: Watch Project Demo

For Best Viewing Experience, Choose Video Quality to 1080p

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