Making Musical Apps: Real-time audio synthesis on Android and iOS
by Peter Brinkmann
libpd runs pure-data patches in iOS.
libpd for iOS on Github: https://github.com/libpd/pd-for-ios
Android phone + camera + balloon
Probably the easiest way to do a HAB flight, devoid of electronics nonsense.
By Derek Ulrich at Hindendroid
http://hindendroid.blogspot.com
