ESp32c3 cannot detect i2c Address in deferent pin input

hello

i have proble to detect 2 i2c address in same time at deferent pin input

any one have solution ?

can you be more specific… what device what address what pins?

Hi there,
Post the code , using the code tags above </> paste it in there, others can read it easier and compile it as well.
are you naming the Pins in the i2c begin (X,Y) ?
HTH
GL :slight_smile: PJ
:v:

You need to use an I2C multiplexer. Grove - 8 Channel I2C Multiplexer/I2C Hub (TCA9548A) | Seeed Studio Wiki

1 Like

Hi there,
Good Eye, (2) LOL I missed that
GL :slight_smile: PJ
:v:

So he is saying that he has two devices with same I2C address, Hence the I2C Multiplexor :+1:
He may want to look at the Espressif updated doc. HERE:
https://docs.espressif.com/projects/esp-idf/en/latest/esp32c3/api-reference/peripherals/i2c.html