Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
我想知道如何使应用程序能够使用 iphone 的音频插孔使电路闭合。一个例子是快乐触发器http://www.kickstarter.com/projects/1435018402/trigger-happy-camera-remote
我相信他们所做的只是播放一些任意音频并使用生成的信号。