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szunyog / si7021.py
Created February 9, 2017 16:14 — forked from minyk/si7021.py
Si7021 Sensor Module for Micropython-ESP8266
from time import sleep_ms
from machine import Pin, I2C
# Default Address
SI7021_I2C_DEFAULT_ADDR = 0x40
# Commands
CMD_MEASURE_RELATIVE_HUMIDITY_HOLD_MASTER_MODE = 0xE5
CMD_MEASURE_RELATIVE_HUMIDITY = 0xF5
CMD_MEASURE_TEMPERATURE_HOLD_MASTER_MODE = 0xE3