Turn on a little engine with the iPhone -

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I want to turn on a little engine with the iPhone I mean, using a 30-pin cable and connecting some cable To the engine Which code do I have to write? And most importantly, is it possible or just a dream?

Maybe you want to?

The external accessory framework provides support for communication with external hardware connected to an iPhone OS based device, using a 30-pin dock connector or wirelessly Bluetooth.

See also the apple.


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