Hi, I have a project with arduino UNO than consists on a weather station with 4 sensors the problem is than i have a presure sensor on A4 and A5 but I need to connect a RTC module, so where I can connect it ?, thank you
If both devices are I2C then you can connect both of them to pins A4 and A5. I2C is a bus that allows many devices to share the same pins. If they're not both I2C, then connect the non-I2C device to some other pins.
Please do not double post.
I think you can't! It has to work with I2C pins.