University of California Los Angeles
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- UCLA's PhoneBot is an open-source humanoid robot that uses old Android phones as its brain
Researchers at UCLA have developed PhoneBot, an open-source humanoid robot that stands 483 mm tall and weighs 1.8 kg. It uses four tested Android handsets — including a 2017 Honor 9 and three $50–$80 models — for camera-based person tracking, inertial sensing and TensorFlow Lite locomotion control, while a separate onboard computer handles motor communications. The team trained its walking controller with reinforcement learning and mirrored training samples and reported improved gait symmetry; the platform costs about $400 excluding the phone but is limited to flat-ground walking, low-power servos and no arms.
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