Analog pins 4 and 5 double up as the I2C pins SCL and SDA - that's what's special about them. You can connect multiple I2C devices (such as one BMP085 and one MPU6050) to these pins, as long as they have different addresses - which should be the case if they are different devices.
Please enter a valid email to subscribe
We need to confirm your email address.
To complete the subscription, please click the link in the
email we just sent you.
Thank you for subscribing!
via Egeo 16