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Example Code for Development Boards

esp8266

Example for Official esp8266 port of Micropython.

from machine import Pin, I2C
from ina219 import INA219
from logging import INFO

SHUNT_OHMS = 0.1

i2c = I2C(-1, Pin(17), Pin(16))
ina = INA219(SHUNT_OHMS, i2c, log_level=INFO)
ina.configure()

print("Bus Voltage: %.3f V" % ina.voltage())
print("Current: %.3f mA" % ina.current())
print("Power: %.3f mW" % ina.power())

esp32

Example for Official esp32 port of Micropython.

from machine import Pin, I2C
from ina219 import INA219
from logging import INFO

SHUNT_OHMS = 0.1

i2c = I2C(-1, Pin(17), Pin(16))
ina = INA219(SHUNT_OHMS, i2c, log_level=INFO)
ina.configure()

print("Bus Voltage: %.3f V" % ina.voltage())
print("Current: %.3f mA" % ina.current())
print("Power: %.3f mW" % ina.power())