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unforgiven512/example.py

Created July 18, 2019 21:58
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INA219 library (example) for MicroPython on ESP8266
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example.py
"""Example script.
Edit the I2C interface constant to match the one you have
connected the sensor to.
"""
from ina219 import INA219
from machine import I2C
# Edit to match interface the sensor is connect to (1 or 2).
I2C_INTERFACE_NO = 2
SHUNT_OHMS = 0.1
ina = INA219(SHUNT_OHMS, I2C(I2C_INTERFACE_NO))
ina.configure()
print("Bus Voltage: %.3f V" % ina.voltage())
print("Current: %.3f mA" % ina.current())
print("Power: %.3f mW" % ina.power())
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