The SeeedStudio updated it's IFTTT service. It support real-time trigger. So we can make a real fun thing whit it.
First you need setup two wio device and choice the Grove module, and upload it. It is very simple if you have do it before. Or you can refer to http://iot.seeed.cc .
Result like this:
Second click this link https://ifttt.com/applets/pSFzfTDA-swipe-your-hand-to-change-the-color-of-the-led-strip. This will quick help you create a IFTTT applet. You need connect to Seeed Wio server with your Seeed Account. Then we can see the below picture, choice event and action. Like this:
Save it. That is all. Let' test it.