There is a very useful Blog post @ the Irdroid Blog, showing how to turn the Raspberry Pi that lays in your drawer into a fully functional infrared remote control, using the Irdroid USB Infrared Transceiver to Blast the Infrared Signals, generated by the Open Source Software – LIRC (Linux Infrared Remote Control). Furthermore, if you are a Raspberry Pi owner you get a 20% off the order total ,by using the coupon code “raspberry” during checkout. Click on the Link below to purchase:
https://www.irdroid.eu/product/usb-infrared-transceiver/
….And a video of the result: