Hi, im looking about code for my first project - i have Nodemcu esp8266 and some temperature sensor from China - I2C/SPI BMP280 3.3 BMP280 3.3 Digital Barometric Pressure Altitude Sensor High Precision Atmospheric Module A72|Integrated Circuits| - AliExpress - Can someone help me to code this? Please Help! 
You can start with this tutorial Adding a New Device using MQTT. Next get your BMP280 working with arduino Overview | Adafruit BMP280 Barometric Pressure + Temperature Sensor Breakout | Adafruit Learning System.
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