InfraRed (receiver and transmitter)

1. Connect all components (ir receiver and ir transmitter) as shown in the figure below

  

2. Download library for IRremote

https://github.com/shirriff/Arduino-IRremote

3. Extract and put the folder into Arduino library in your computer
4. Upload IRrecvDump example
5. Get the HEX code from your remote by press button directly to the ir receiver

Example:  Sony: A90, 12bits will display in serial monitor

6. Method to write the code: irsend.sendSony(0xA90, 12); delay(40);

7. After you complete your transmitting code, upload and DONE!

Example code: http://www.codeshare.io/mpZaT

8. Bring your device to the TV and start it.

Good sharing:

http://garagelab.com/profiles/blogs/tutorial-arduino-ir-sender-and-receiver

http://www.instructables.com/id/Arduino-Infrared-Remote-tutorial/