Count computer science Ph.D. candidate Lingxiang Xiang as the latest tinkerer to tap the potential of the cheap Raspberry Pi computer.
The enterprising student fixed a broken R2-D2 toy replica using a Raspberry Pi computer and other off-the-shelf electronics bought online. The toy was meant to be a birthday gift for his girlfriend.
The end result: a robot with face recognition; motion and distance detection (to avoid bumping into obstacles); and the ability to understand voice commands in both English and Chinese.
Like the movie version, the R2-D2 can also record and play back audio messages, though obviously holographic messages aren't in its repertoire. … Read more