DIY 3DOF Arm Manipulator Robotics Kit without Servo Motors

Key Features

1. 3 Degrees of Freedom (DOF):
   • Base rotation
   • Shoulder joint movement
   • Elbow joint movement
2. Construction Material:
   • High-strength aluminum alloy for the main frame.
   • ABS or acrylic parts are needed for additional support (depending on the kit).
3. Servo Motors:
   • Number of Servos: 3 High-Torque Servos (one for each axis).
   • Typical Servos Used:
     • MG996R / MG995 Servo for heavy load joints (torque ~ 10-15 kg·cm).
     • SG90 Micro Servo for smaller joints if applicable.
   • Operating Voltage: 4.8V – 6.6V
   • Features: Metal gear servos for durability and precision.
4. Base Plate:
   • Material: Acrylic/metal with pre-drilled mounting holes.
   • Stable design to prevent wobbling during operation.
5. End Effector (Gripper):
   • Servo-powered mechanical gripper to pick up objects.
   • Adjustable claw width: typically 0-55mm.
6. Control System:
   • Compatible Microcontrollers: Arduino Uno, Mega, or Raspberry Pi.
   • Control Input:
     • Joystick module for manual control.
     • Option for pre-programmed control via software.
   • Communication:
     • USB interface for PC programming.
     • PWM control for servo motors.
7. Power Requirements:
   • External power source: 6V to 7.4V (for servos).
   • Optional battery pack for portable operation.
   • Payload Capacity:
     • Up to 300g depending on the servo motor power.
8. Arm Dimensions:
   • Base Diameter: ~12-15cm
   • Arm Length: ~20-30cm (combined shoulder and elbow segments).
   • Height: ~30-35cm (when fully extended).
9. Assembly:
   • Pre-drilled and labeled parts for easy assembly.
   • Includes all mounting screws, brackets, and tools required.
   • Instruction manual with step-by-step assembly diagrams.
10. Applications:
    • Robotics education and training.
    • DIY and STEM projects.
    • Automation simulation and hobby applications.
11. Weight:
    • Kit weight: ~1.5-2 kg (depending on material).

Package Contents:

1. Aluminum frame parts (pre-cut and labeled)
2. Mechanical gripper
3. Base mounting plate
4. Servo brackets and screws

Optional Upgrades:

• 4DOF Configuration: Additional servo for wrist movement.
• Wireless Control Module: Bluetooth or Wi-Fi module.
• Sensors: IR or ultrasonic sensors for obstacle avoidance.

DIY 3DOF Arm Manipulator Robotics Kit without Servo Motors
darazsales

80MM-K McNamum Compatible with 6.7mm coupling Wheel

he 80MM-K McNamum Wheel, compatible with 6.7mm coupling, provides excellent omnidirectional movement for robotics applications. Perfect for autonomous robots, this wheel ensures smooth, flexible movement in all directions, ideal for advanced robotics projects.

Specifications:

• Type: Mecanum Wheel
• Model: 80MM-K
• Size: 80 mm (diameter)
• Hub Coupling Compatibility: 6.7 mm shaft diameter
• Number of Rollers: 9 rollers per wheel
• Roller Material: TPU (Thermoplastic Polyurethane) or rubber-like material for flexibility and grip
• Wheel Material: High-strength plastic (nylon or ABS) with metallic core options for heavy-duty use

Mechanical Properties:

• Load Capacity: Typically supports loads up to 1-2 kg per wheel, depending on material and build quality
• Directionality: Omnidirectional (enables movement in any direction without changing the wheel’s orientation)
• Wheel Type: Left and right-handed versions available for full maneuverability (normally sold as a set)

Dimensions:

• Diameter: 80 mm (3.15 inches)
• Width: Around 30 mm (1.18 inches)
• Axle Diameter: 6.7 mm coupling with possible adaptors
• Mounting Hole Type: Multiple mounting options for various shafts or connectors (specific design for 6.7mm coupling compatibility)

Features:

• Omnidirectional Movement: Can move forward, backward, sideways, and rotate in place
• Low Noise: Rollers designed for smooth, quiet operation
• Durability: Built for both light and medium-duty robotics applications

Applications:

• Robotics (used in platforms requiring multidirectional movement)
• AGVs (Automated Guided Vehicles)
• Warehouse robots
• Robotic competitions

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80MM-K McNamum Compatible with 6.7mm coupling Wheel
darazsales

60MM-K McNamum Compatible with 6.7mm coupling Wheel

The 60MM-K McNamum Wheel, compatible with 6.7mm coupling, offers smooth omnidirectional movement for robotics applications. This high-quality wheel is ideal for precise maneuvering in autonomous robots and robotics projects requiring flexible movement in all directions.

Specifications:

General Information:

• Model: 60MM-K McNamum Wheel
• Type: Omni-directional wheel
• Compatibility: 6.7mm coupling
• Number of Wheels: 4 wheels (two left-handed and two right-handed)
• Applications: Robot chassis, autonomous vehicles, industrial robotics

Dimensions and Weight:

• Wheel Diameter: 60 mm (2.36 inches)
• Wheel Width: Approximately 31 mm
• Bore Diameter: Compatible with a 6.7mm coupling or motor shaft
• Material: High-strength plastic or aluminum body with rubber rollers
• Weight: Typically around 120-140 grams per wheel, depending on material

Roller Information:

• Number of Rollers per Wheel: 8-10 rollers, depending on the design
• Roller Material: Rubber (to improve grip and smoothness)
• Roller Axle Material: Metal (typically steel or aluminum for durability)
• Roller Diameter: Usually around 12-14 mm
• Roller Width: Approximately 7-10 mm

Mechanical Performance:

• Load Capacity: Varies depending on materials, but typically up to 2-5 kg per wheel for light robotics applications
• Maximum Speed: Up to 1.5-2 m/s (depending on motor and load)
• Friction Coefficient: Moderate to high friction for good grip on smooth surfaces
• Turning Radius: Zero-turn (omnidirectional)

Compatibility:

• Coupling: Compatible with standard 6.7mm coupling, adaptable with most common motor shafts in the 6.7mm range.
• Motor Compatibility: Often used with DC geared motors, stepper motors, or servo motors with a corresponding coupling size.

Features:

• Movement: Provides full 360-degree motion, allowing robots to move in any direction without turning.
• Mounting Holes: These usually come with pre-drilled holes to attach to a robot chassis or motor mounts.
• Durability: Designed for light to moderate load applications.

Package Includes:

• 2 Left-handed McNamum Wheels
• 2 Right-handed McNamum Wheels
• 6.7mm Coupling adapters (optional, depending on the package)
• Mounting hardware (bolts and screws)

60MM-K McNamum Compatible with 6.7mm coupling Wheel
darazsales

CW CCW Thruster Engine for DIY RC

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CW CCW Thruster Engine for DIY RC
lahiru Dhananjaya