I agree with the other posters about the pull ups. Digging through the libraries the internal pull ups are not set in the files I looked at.
They can be turned on in the blue pill with the below added to your setup. I use pins 6/7 out of habit. Change the pin number to what is appropriate for you ...
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- by brodg68
- Mon Jul 10, 2023 2:05 am
- Forum: General discussion
- Topic: I2C Scanner working in Arduino nano but Not Able to Detect in STM32 Bluepill
- Replies: 7
- Views: 4271
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