Is there any I2C or SPI pins available in GL-B1300 or GL-S1300?

Technical Support for Routers
1

I want to connect and BME280 sensor and read it.

If not, would it be possible to weld somewhere?

Thanks.

2

S1300 reserved I2C interface, B1300 does not.

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3

Thanks for the information, I didn’t see that.