arduino_projects oven thermometer with MQTT Display temperature on screen and send temperate data to Node-RED UI through MQTT using RBP 3b+ as broker parts 2.8in SPI TFT ILI9341 screen MAX6675 temperature sensor k-type thermocouple NODEMCU ESP8266 RBP 3b+ software Node-RED installation script Mosquitto PlatformIO VScode Plugin sources https://github.com/pawl/oven_thermometer https://simple-circuit.com/esp8266-nodemcu-ili9341-tft-display/ https://randomnerdtutorials.com/esp32-mqtt-publish-subscribe-arduino-ide/