How to build a simple but cool IR (Infra Red) receiver.

[-] However, if you want to be able to put the receiver in a specific place, because the computer is far or its back is hidden, you can simply take a "straight" serial cable (*not* NULL-MODEM!!!) like this one: you will insert the receiver in one end of the cable and connect the serial port of the computrer at the other end.

A straight serial cable