Some hints
- Make sure that you have connected SDA to SDA and SCL to SCL.
- Soldering of the connectors is NOT optional
- One of the examples that comes with the IDE is an I2C scanner. Run that with your MAX30102 connected; it should find your board and give you an address.
I can't help you further as I don't havethe board.
Your topic has been moved to a more suitable location on the forum. Installation and Troubleshooting is not for problems with (nor for advice on) your project
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