Diogo J. A. Silva, Samuel B. Powell, Marilia F. Erickson, Fabio Cortesi, Daniel M. A. Pessoa, Karen L. Cheney

Repository Content

Description:

This package contains all the 3D materials necessary for printing the physical parts of the robotic crab, along with videos demonstrating its functionality.

Files:

Robotic Crab Schematic:

• assembly_Drawing_v3.pdf – Robotic crab schematic

Individual Components of the Robotic Crab in .stl Format:

These files contain all the separate parts that form the robotic crab. They are provided in .stl format and can be opened with open-source software (e.g., FreeCAD).

• frame_v25.stl – Support structure of the robotic crab
• gear-20x0.75_v26.stl – Robotic crab gear
• gelasimus_vomeris_natural_claw.stl – Original scanned claw of the fiddler crab Gelasimus vomeris
• gelasimus_vomeris_natural_claw_modified.stl – Scanned claw modified for attachment to the robotic crab
• post_v13.stl – Component of the robotic crab
• rack_v22.stl – Component of the robotic crab

3D Model with All Parts Assembled:

This file contains the complete assembled model of the robotic crab. It requires Fusion 360, a proprietary software that can be downloaded for free. If you prefer to use only open-source software, please use the .stl files with separate parts.

• assembly_v15.f3z

Pololu Micro Maestro code used to control claw movement

• code_robocrab_motor_control_setting.txt

Videos of the Robotic Crab:

• Supplementary_video_1.mp4 – Video of the robotic crab
• Supplementary_video_2.mp4 – Example of a Brush-turkey attacking the robotic crab
• Supplementary_video_3.mp4 – Video of a Gelasimus vomeris fiddler crab waving

Supplementary Tables:

• Supplementary_table_1.csv – List of experiment locations
• Supplementary_table_2.csv – Binomial regression output

Variables of the Supplementary table 2:

• treatmentB – Paint treatment applied to the robotic crab in the experiments, where both the claw and carapace were painted black.
• treatmentC – Paint treatment applied to the robotic crab in the experiments, where the claw was painted orange and the carapace was painted blue.
• attack_positionfront – Position relative to the robotic crab where the Brush-turkey attacked, i.e., it attacked the model from the front.
• attack_positionlateral – Position relative to the robotic crab where the Brush-turkey attacked, i.e., it attacked the model from the side.
• illuminantshade – Represents the shaded ambient light conditions at the location where the robotic crab was placed.

When using the data available in this repository, please cite the original publication and dataset.

For further information, contact diogojackson@hotmail.com.