Difference Between Seeed Studio SO-ARM100 and SO-ARM101

What are they?

SO-ARM100 and SO-ARM101 are robotic arm kits designed for AI and robotics enthusiasts. The SO-ARM100 is user-friendly, featuring servo motors, an adapter board, and cables, making it perfect for beginners and supporting projects with LeRobot and Hugging Face. The SO-ARM101 enhances the SO-ARM100 with optimized performance for more advanced applications, making it ideal for developers interested in complex robotic systems. Both kits are affordable, easy to assemble, and provide a hands-on experience in robotics and artificial intelligence.
Seeed Studio SO-ARM100 Low-Cost AI Arm Servo Motor Kit for LeRobot

Seeed Studio SO-ARM100

Kit

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Seeed Studio SO-ARM100 Low-Cost AI Arm Servo Motor Kit Pro for LeRobot

Seeed Studio SO-ARM100

Kit Pro

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Seeed Studio SO-ARM101 Pro AI Robotic Arm Servo Motor Kit

Seeed Studio SO-ARM101

Kit Pro

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Features of SO-ARM 10x Sereies

SO-ARM100

  • Open-source and Affordable: This robotic arm solution from TheRobotStudio is both open-source and low-cost, making it accessible for a wide range of users.
  • LeRobot Integration: Specifically designed for seamless integration with the LeRobot platform, it provides access to PyTorch models, datasets, and tools for reinforcement and imitation learning tailored for real-world robotics applications, including data collection, simulation, training, and deployment.
  • Comprehensive Learning Resources: This kit offers an extensive array of open-source resources, such as assembly and calibration guides, along with tutorials for testing, data collection, training, and deployment, empowering users to quickly start developing their robotic applications.
  • Nvidia Compatibility: The arm kit is compatible with the reComputer Mini J4012 Orin NX 16 GB, allowing for efficient deployment in various projects.

SO-ARM101

  • Wiring Optimization: The SO-ARM101 features enhanced wiring that addresses the disconnection issues previously encountered at joint 3 in the SO-ARM100. This new design also improves the range of motion for the joints.
  • Optimized Gear Ratios for the Leader Arm: The leader arm is now equipped with motors that have optimized gear ratios, enhancing overall performance and eliminating the need for external gearboxes.
  • New Functionality Support: The leader arm now has the ability to follow the follower arm in real-time, which is essential for the upcoming reinforcement learning (RL) policy, allowing human intervention to correct the robot's actions as needed.

Seeed Studio SO-ARM100 Vs SO-ARM101

Specification comparison

SO-ARM10x Low-Cost AI Arm Kit and Arm Kit Pro
Type SO-ARM100 SO-ARM101
Arm Kit Arm Kit Pro Arm Kit Arm Kit Pro
Leader Arm 12x (7.4V) 1:345 gear ratio motors for all joints 12x (12V) 1:345 gear ratio motors for all joints 1x (7.4V) 1:345 gear ratio motor for No.2 joint
2x (7.4V) 1:191 gear ratio motors for No.1 and No.3 joints
3x (7.4V) 1:145 gear ratio motors for No.4, No.5 joints and the No.6 gripper
Follower Arm Same as SO-ARM100 Same as SO-ARM100 Pro
Power Supply 5.5mm*2.1mm DC 5V4A 5.5mm*2.1mm DC 12V2A 5.5mm*2.1mm DC 5V4A 5.5mm*2.1mm DC 12V2A For Follower Arm
5.5mm*2.1mm DC 5V4A For Leader Arm
Angle sensor 12-bit magnetic encoder
Recommended Operating Temperature Range 0℃~40℃
Communication Method UART
Control Method PC

Key difference

  • Core Board: ARM100 uses the basic Jetson Nano (4GB), while ARM101 uses the more powerful Orin Nano (4GB).
  • Performance: ARM100 is suitable for beginners, while ARM101 has better AI capabilities for complex tasks.
  • Ports: ARM100 is simpler, whereas ARM101 features more advanced connections (like PCIe Gen4 and USB Type-C).
  • Use Cases: ARM100 is meant for basic applications, while ARM101 is fit for high-end AI projects.

Which product is better for your project?

Choose ARM100 if:

  • You're Just Starting Out: If you're new to AI and want to learn the basics, ARM100 is perfect for you. Think of it like a beginner's bike—great for learning how to ride without overwhelming features.
  • Simple Projects: If your project involves easy tasks, like making a small robot that can identify a few objects or doing a school project, ARM100 is a solid choice. It's designed for straightforward applications.
  • Budget-Friendly: ARM100 is much cheaper, making it ideal if you’re on a tight budget. You can save money while still getting a functional product to work on your ideas.

Choose ARM101 if:

  • Advanced Tasks: If you're working on more complex projects, like real-time video analysis or developing AI applications that require powerful processing, ARM101 is the way to go. It’s like upgrading from a bicycle to a motorcycle—faster and more capable!
  • Professional Development: If you're a developer or someone who wants to create sophisticated AI applications, ARM101 will provide the extra power you need for tasks like object detection and machine learning.
  • Future Growth: ARM101 has advanced features like PCIe Gen4 and USB Type-C, which means it can grow with your projects. If you plan to expand your work in the future, this product will give you the flexibility to do so.
  • Higher Price Point: While ARM101 is a bit pricier, the enhanced capabilities make it worthwhile if you’re aiming for higher performance.

Other information

FAQ

Can SO-ARM100 Handle Specific Tasks?
Yes, the SO-ARM100 can perform basic tasks like simple manipulation, picking and placing objects, and educational projects involving reinforcement learning concepts.
Can I integrate additional sensors or modules with these robotic arms?
Yes, both the SO-ARM100 and SO-ARM101 are designed for flexibility and can support additional sensors and modules, which can enhance their capabilities for various applications, including advanced sensing and manipulation tasks.
Are there any applications or projects you recommend for beginners with SO-ARM100?
Beginners can try various projects, such as:
  • Simple pick-and-place tasks using objects of different shapes and weights.
  • Basic robotic arm control using Arduino or Raspberry Pi.
  • Educational projects involving reinforcement learning to teach the arm to perform specific actions.
How does the real-time following functionality work in SO-ARM101?
The real-time following functionality allows the leader arm to mimic the movements of a follower arm. This capability is essential for implementing reinforcement learning strategies where a user can intervene and guide the robot’s actions, making it more adaptive in dynamic environments.
How does the optimized gear ratio in SO-ARM101 enhance its performance?
The optimized gear ratio in SO-ARM101 improves torque and speed, allowing for smoother and more precise movements. This enhancement reduces the reliance on external gearboxes, resulting in a more compact and efficient design, which can lead to better performance in various tasks.

 

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