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Mr_RO · 2024-02-23

Hello,I have an STM32F407 (Master) communicating with an AHT10 device (Slave) over I2C as one to one. Till this part everything works just fine, the problem start when i add a new device (Slave) in the same bus (eg. MPU6050) after a while the I2C lin...

Mr_RO · 2024-02-25

And for the AHT10 Device, this is the English Version of the datasheet.

Mr_RO · 2024-02-25

Hi waclawek.jan > what if AHT10 considers it as an address?- Maybe that's the case, I didn't' noticed till now but I will follow each last msg or add before the SDA goes low. > show us a zoomed section of the end of communication- Okay I will try. > ...

Mr_RO · 2024-02-23

Hi Again Thank you gentlemen's > You can check, which device pulls down SDA- I already know that the AHT10 his the one how pulling the SDL low, because when i take him out, the bus back to work again. But in other case, when when i take the MPU60 ou...

Mr_RO · 2024-02-23

Hi @waclawek.jan Thanks for the reply, > it "understands" some of the commands to the other device as commands directed to it, and responds to it.- Yes, that's what I am doubt of but both of the two devices are Slaves and each one have specific addr...

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STM32F407VG, I2C Locked up and can't release the SDA line

Re: STM32F407VG, I2C Locked up and can't release the SDA line

Re: STM32F407VG, I2C Locked up and can't release the SDA line

Re: STM32F407VG, I2C Locked up and can't release the SDA line

Re: STM32F407VG, I2C Locked up and can't release the SDA line