In this illustration we will going to wire a Thermocouple, i2C OLED Screen and ESP8266 NodeMCU Board, as you can see the source code it is using a C Sketch code not a LUA script, if you don’t have ESP8266 integration on your Arduino IDE Please follow this link.

The MAX6675 performs cold-junction compensation and digitize the signal from a type-K thermocouple. The data is output in a 12-bit resolution, SPI compatible read only format. This conversion resolves temperatures to 0.25 Degree, allows reading as high as + 1024 degree Celsius and exhibits thermocouple accuracy of 8LSBs for temperature ranging from 0 degree to + 700 degree Celsius. This device mostly used in Industrial, Appliances, Heating, Ventilating, and air conditioning.

Configuring the correct ESP8266 Board in Arduino IDE




ESP8266-Thermocouple-Diagram-Schematics

Component Required

  • ESP8266 12E, 13 NodeMCU Board
  • I2C 0.96” OLED Screen
  • K TYPE MAX6675 Thermocouple
  • Jumper Wires / DuPont Wires
  • Solder Less / Bread Board

Wiring Guide

NodeMCU-OLED-i2c-DHT11-Sensor-Schematics-THermoCouple

Code



 

Wiring Thermocouple MAX6675 on ESP8266 12E NodeMCU
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