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

[-] TSOP 1738 IR receiver: many other IR rceivers are avaiable on the market, althought not always easy to find. Check lirc receivers page for a full list; keep in mind that, according to the data sheets, this component is one of the best for its receiving angle. I've also tested it 30 meters far away!

TSOP 1738 IR receiver