bme680-mqtt-micropython

Publish data from the bme680 sensor over MQTT using micropython. Makes use of:

• https://github.com/gkluoe/bme680/blob/master/library/bme680/i2c.py
• https://github.com/pimoroni/bme680 Am using in my leak sensor rig:
• https://www.hackster.io/robin-cole/micropython-leak-detector-with-adafruit-and-home-assistant-a2fa9e

On Wipy 3, P9 = SDA and P10 = SCL. Read sensor bytes using machine with:

from machine import I2C
i2c = I2C(0)   # using defauls P9 and P10
i2c.scan() # returns [119] which is hex 0x77
i2c.readfrom(0x77, 5) # read 5 bytes