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The Zhongling G2 is an open-source bionic robot hand built for learning and experimentation. You assemble it, wire it, and then program it — either on Arduino for a gentle start or on STM32 when you want more headroom. Four desktop editions run from Entry to Flagship so the project can grow with you, and the optional motion-sensing glove lets the hand mirror your own finger movements in real time. There is also a bare mechanical palm for builders who already have their own controller and a custom aluminium case for finished builds.