i2c-modules-3.2.0-4-686-pae-di software package provides i2c support modules, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install i2c-modules-3.2.0-4-686-pae-di
i2c-modules-3.2.0-4-686-pae-di is installed in your system.
Make ensure the i2c-modules-3.2.0-4-686-pae-di package were installed using the commands given below,
$ sudo dpkg-query -l | grep i2c-modules-3.2.0-4-686-pae-di*
You will get with i2c-modules-3.2.0-4-686-pae-di package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | debian-installer udeb packages |
| Package | i2c-modules-3.2.0-4-686-pae-di |
| Version | 3.2.78-1 |
| Description | i2c support modules |
| Sub Section | Debian-installer |