With this cheap infrared controller, you can easily make remote control projects such as the Arduino IR Remote receiver thanks to the open-hardware community, there are also some IR libraries such the joshuajnoble IR library for you to make everything in your house to be remote-control. This remote control offer 21 buttons, we suggest you use this remote control with the IR reciever.
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Review by Ross Kerley
This remote works fine! The battery compartment says CR2025, but a CR2032 also fits just fine. I am using this with the receiver: Infrared Receiver VS/1838B (http://www.elecrow.com/communication-c-78/infrared-c-78_141/infrared-receiver-vs1838b-p-501.html)
and an arduino.
Download the 'Dome Code' http://www.elecrow.com/download/IRremote.zip and run IRrecvDump to figure out what code each of the buttons sends.
A complete IR remote system (just add microcontroller) for about $1! (Posted on 1/15/2014)