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OpenHand v3

AleksaHeler

Our attempt at a prosthetic hand using STM32 microcontroller with custom PCB and mechanics

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Main components

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Part NumberDescription
STM32F103RETx
TPS565201DDCR
AMS1117-3.31A Low Dropout regulator, positive, 3.3V fixed output, SOT-223
ICL7660Switched-Capacitor Voltage Converter, 1.5V to 10.0V operating supply voltage, 10mA with a 0.5V output drop, SO-8/DIP-8/µMAX-8/TO-99
TL084

OpenHand v3 schematic

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OpenHand v3 board layout

OpenHand v3 PCB render

Top PCB
Bottom PCB