MyBio Hand v1.3

thingiverse

The biologically-inspired system integrates living organisms with electronic systems to create technological applications that mimic human characteristics. This advanced prosthetic hand boasts eleven degrees of freedom, expertly crafted for three-dimensional printing, which enables rapid and cost-effective prototyping. Printer Settings Brand: RepRap Printer Model: Prusa I3 Rafts: Optional, but not necessary for small parts Supports: Required for most prints Resolution: 0.2 mm for optimal quality Infill: Customize from 30% to 100% Notes: • Print on a flat surface • Use rafts for large parts • Skip rafts for small components Assembly Post-Printing Carefully remove all supports from the printed pieces, then attach the servos inside the hand. When assembling the forearm sections, carefully sand down the lip of each piece to ensure smooth integration. Design and Development Process This innovative mechatronic device was designed by studying human anthropometrics and observing natural finger movements while grasping objects. Advanced software, such as CAD/CAM/CAE, helped develop a mechanical prototype and validate its structure through simulation analysis. System Requirements Servos: Four 4xSG-92r units Adhesive: Loctite super glue for bonding components together Microcontrollers: Arduino boards (Nano, Uno, or Micro) Jumper wires for circuit connections Battery Power Source: Six-volt, four ampere-hour rechargeable batteries Flexi-tube: Nylon rope with 0.3-0.7 millimeter diameter for wrist and finger flexibility Rod Material: Five-millimeter stainless steel shafts for hand stability and motion control Sensor Input: FSR (Force Sensing Resistor) for pressure feedback, EMG sensor for muscular activity monitoring