Raspberry Pi time & temp display
display time and temp on 7-segment display using raspberry pi
Raspberry Pi connected over i2c bus to Adafruit i2c 7-segment display, SparkFun TMP102 temp sensor, Adafruit DS1307 RTC plus Raspberry Pi Pi Cobbler.
Blog post: http://www.element14.com/community/groups/raspberry-pi/blog/2012/09/26/time-temp-display-for-raspberry-pi
WARNING: Remove the resistors from the Adafruit DS1307 RTC to avoid damage to the Pi: http://learn.adafruit.com/adding-a-real-time-clock-to-raspberry-pi