I2C Bus

Owned by Edmund Bendels (Deactivated)
Last updated: 2023-05-08 by Marcel S
Q

I have selected the I2C in the Hardware Configuration but when I transmit data nothing is visible on this pins.

A

If you are using our driver it is most likely, that the external circuit does not create a valid I2C bus.

In the I2C specification in chapter "7. Electrical connections of I2C-bus devices to the bus lines" you are able to find further informations on this topic.

Typical the pull up resistance is 10 kΩ for 100 kHz and 2 kΩ for 400 kHz

A basic circuit is:

See also...