Introduction: How to Use DS18B20 One Wire Digital Temperature Sensor Module With NodeMcu ESP8266

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Step 1: Components Required

NodeMcu ESP8266

16x2 LCD Display Module (Serial I2C)

DS18B20 One Wire Digital Temperature Sensor 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 DQ Pin of DS18B20 One Wire Digital Temperature Sensor Module to D4 Pin of NodeMcu ESP8266

Connect VCC Pin of DS18B20 One Wire Digital Temperature Sensor Module to VU Pin of NodeMcu ESP8266

Connect GND Pin of DS18B20 One Wire Digital Temperature Sensor 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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