Check the i2c address of the sensor (using HassOS I2C Configurator)

[nonapatatra]

Can you explicit how to find the i2c address ?
I installed correctly HassOS I2C Configurator
last lines are

/dev/i2c-1
/dev/i2c-0 /dev/i2c-1 /dev/i2c-10 /dev/i2c-22
Found i2c access!  Nothing to do!  You can remove this add-on.

I am guessing, my module3 has not the default address ?
in my config.yaml :

ina219_ups_hat:
  name: Hassio UPS          # Optional
  unique_id: hassio_ups     # Optional
  addr: 0x41                # Required
  scan_interval: 10         # Optional
  batteries_count: 3        # Optional
  battery_capacity: 3000    # Optional
  max_soc: 91               # Optional
  sma_samples: 5            # Optional
  min_online_current: -100  # Optional, mA
  min_charging_current: 55  # Optional, mA   

and got this message

Error during setup of component ina219_ups_hat
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/setup.py", line 416, in _async_setup_component
    result = await task
             ^^^^^^^^^^
  File "/config/custom_components/ina219_ups_hat/__init__.py", line 69, in async_setup
    coordinator = INA219UpsHatCoordinator(hass, config)
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/config/custom_components/ina219_ups_hat/coordinator.py", line 43, in __init__
    self._ina219 = INA219(addr=int(self._addr))
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/config/custom_components/ina219_ups_hat/ina219/ina219.py", line 79, in __init__
    self.set_calibration_32V_2A()
  File "/config/custom_components/ina219_ups_hat/ina219/ina219.py", line 162, in set_calibration_32V_2A
    self.write(_REG_CALIBRATION, self._cal_value)
  File "/config/custom_components/ina219_ups_hat/ina219/ina219.py", line 89, in write
    self.bus.write_i2c_block_data(self.addr, address, temp)
  File "/usr/local/lib/python3.12/site-packages/smbus2/smbus2.py", line 643, in write_i2c_block_data
    ioctl(self.fd, I2C_SMBUS, msg)
OSError: [Errno 5] I/O error

[odya]

How to scan i2c buses to find your device addr

1. Install addon Advanced SSH & Web Terminal
2. Enter the web interface and execute docker exec -it homeassistant bash -c "apk add i2c-tools && i2cdetect -y 0 && i2cdetect -y 1"

After that you'll get list of found i2c devices. First table is for channel 0, second for channel 1.

➜  ~ docker exec -it homeassistant bash -c "apk add i2c-tools && i2cdetect -y 0 && i2cdetect -y 1"
OK: 267 MiB in 224 packages
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:                         -- -- -- -- -- -- -- -- 
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
70: -- -- -- -- -- -- -- --                         
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:                         -- -- -- -- -- -- -- -- 
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
40: -- 41 -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
70: -- -- -- -- -- -- -- --  

[nonapatatra]

Thanks.
Nothing appears.

     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:                         -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --

I will double check the i2c cable connection.

I connect the following gpio on my rpi4

And I followed the UPS Module 3S connection

[nonapatatra]

I verified. Connections are physically correct.
I have no idea where the problem comes from.

[odya]

Maybe bad wiring? Or try to swap SDA and SCL)

I have all SDA, SCL, GND, 3v3, 5v connected)