Here’s a project that shows you how to decode a tv remote control’s infrared (IR) signals and make your own IR receiver for it. The receiver decodes the infrared commands sent to it by a remote control, and displays them on an LCD for verification. Source: pyroelectro

Very brief instructable to give a circuit that makes a good simple remote for canon compact camera. For use with CHDK . What it does: Allows both a remote shutter button as well as making it so that any IR remote control (e.g. TV remote) can be used to remote control the camera. Source: j44

This project is a 2 channel infrared (IR) remote controlled relay driver with power saving.  It works with 12-bit SIRC IR signals as used by Sony remote controls. The controller also features a power save feature which reduces the relay holding voltage to 50% of the relays nominal operating voltage once the relay has switched [...]