You can transmit IR signal by audio.
1.The app generate waveform that use for send IR command.
2.You need to make "Audio to IR" module by yourself , it is very simple circuit.(Sample Link)
3.You can update your IR command configuration file by yourself from WINKIRC PC software.(Sample link)
4.Initial configuration file is support device as follow：
(a)TV：Kolin(RC-207)、Sharp(GA339WJSA)、Samsung(AA59-00382A).
(b)Camera：Nikon(ML-L3)、Sony(RMT-DSLR1)、Canon(RC1)、Pentax(RC-F)
5.Design by Folus Wen