Introduction: How to Use DS3231 Real Time Clock Module With NodeMcu ESP8266

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Step 1: Components Required

NodeMcu ESP8266

16x2 LCD Display Module (Serial I2C)

DS3231 Real Time Clock Module

Breadboard (MB102 400 Points)

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

Connect SCL Pin of DS3231 Real Time Clock Module to D1 Pin of NodeMcu ESP8266

Connect SDA Pin of DS3231 Real Time Clock Module to D2 Pin of NodeMcu ESP8266

Connect VCC Pin of DS3231 Real Time Clock Module to VU Pin of NodeMcu ESP8266

Connect GND Pin of DS3231 Real Time Clock Module 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

Step 5: Watch Project Demo

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