Reading INA 219 sensor through Arduino

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Vasco Sampaio
Vasco Sampaio on 22 Feb 2018
Edited: Gongyan Du on 18 May 2020
Hey guys,
I'm trying to read data from my INA 219 current sensor, through ARDUINO UNO.77 I'm new to I2C communication so I'm getting hard time getting significant data out of it. I guess my issue is with the sensor itself and not so much the programming part. Anybody with experience in INA219 who can give me an hint of what I should do. Maybe there's a couple of configurations I'm skipping. Thanks in advance!
  2 Comments
Marcin Kozusznik
Marcin Kozusznik on 1 Jul 2019
You need to send and receive 'uint16' not uint8. INA has 16 bit communication interface.
Gongyan Du
Gongyan Du on 18 May 2020
Edited: Gongyan Du on 18 May 2020
@Marcin Kozusnik, @Vasco Sampaio:
I make such a result according to your program code.
40761 65535
40761 65535
40761 65535
40761 65535
40761 65535
40761 65535
40761 65535
I would like to ask how to display the current value
Thanks you!

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