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95 changes: 74 additions & 21 deletions README.md
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# hardware
3D printed parts, circuits, electronic components and Arduino code

```
## Structure
hardware/
├── electronics/ # Schematics, wiring diagrams
│ └── schematics/
├── arduino/ # Embedded code for microcontrollers
│ │ ├── main.ino
│ │ └── servo_control.ino
├── mechanics/
│ ├── montagem.pdf
│ └── medidas_estruturais.md
├── 3d-models/
│ ├── STL/
│ └── Fusion360/
├── components-list.md # List of components used
├── README.md
└── .gitignore
```
# Mechanical Arm Structure

### Right Hand and Forearm (3D Printed Parts)

- **Fingers**:
- Thumb
- Index
- Majeure (Middle Finger)
- RingFinger
- Auriculaire (Pinky Finger)
- **Structures**:
- Bolt_entretoise (Spacer Bolt)
- Wristlarge (Large Wrist)
- Wristsmall (Small Wrist)
- topsurface (Top Surface)
- coverfinger (Finger Cover)
- **Complementary Parts**:
- robcap3 (Robot Cap 3)
- robpart2, robpart3, robpart4, robpart5

### Wrist (3D Printed Parts)

- rotawrist1 (Wrist Wheel 1)
- rotawrist2 (Wrist Wheel 2)
- rotawrist3 (Wrist Wheel 3)
- WristGears
- CableHolderWrist

---

## Electronic Components

- **Control Board**:
- Arduino Uno R3
- Sensor Shield V5
- **Actuators**:
- Servo Motor MG996R
- **Sensors**:
- Ultrasonic Sensor HC-SR04

---

## Assembly Materials

- **Printing Materials**:
- PLA Filament 3mm (1kg)
- **Fasteners and Structure**:
- M8 x 80mm Bolt
- M8 x 60mm Bolt
- M8 x 40mm Bolt
- M3 x 20mm Screw Kit
- **Bonding and Finishing**:
- Super Bonder Loctite (3g)
- Hot Melt Adhesive (50 units)
- Acetone (500ml)
- **Tools and Accessories**:
- Electric Screwdriver
- Precision Pliers
- **Others**:
- White Silicone Grease (100g)
- Braided Fishing Line (300m)

---

## Technical Notes

- Parts printed using FDM technology, 0.2mm layer height.
- Finger traction mechanism uses high-resistance braided fishing line.

---

## Credits

Project developed for the *Scientific Initiation Program* at **Escola Superior Dom Helder Câmara**, under the supervision of **Ricardo Freitas**.
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