Seeed Studio has recently started selling the SO-ARM100 AI Robotic Arm kit, a low-cost AI arm designed for real-world robotics applications. This open-source hardware device features a 6-degree-of-freedom design with high-torque STS3215 bus servos, a 12-bit magnetic encoder for precise angle sensing, and UART for communication.
The arm comes with motors, driver boards, power adapters, and other 3D-printed parts like arm segments, base, grippers, and motor mounts. Designed to work with the NVIDIA Jetson edge platform, it is ideal for grasping and placing. All these features make this device suitable for education, research, and AI-driven robotics projects.
SO-ARM100 AI robotic arm kit specifications
- Degrees of Freedom (DOF) – 6
- Motor control
- Total servo – 12x STS3215 bus servos
- Servo torque
- Arm kit Standard – 19.5 kg.cm @ 7.4V
- Arm kit pro – 30 kg.cm @ 12V (Pro)
- Angle Sensor – 12-bit magnetic encoder
- USB – USB-C for programming and testing
- Host Communication – UART
- Control Method – PC-based control
- Power Supply
- Standard – 5V/4A
- Pro – 12V/1A
- Temperature Range – 0°C to 40°C
The company does not provide detailed specifications about the product compared to what we got with the Waveshare RoArm-M2 ESP32 robotic arms, the Yahboom DOFBOT robotic arm, or the ultraArm P340 robot arm, which explains why the list above is quite basic.
In terms of software, the SO-ARM100 AI robotic arm supports the LeRobot framework which supports tasks like data collection, simulation, training, and deployment, enabling the robotic arm to perform complex actions such as grasping and placing objects. The arm is also optimized for integration with NVIDIA Jetson devices, including Seeed Studio’s own reComputer J4012 mini PC with Jetson Orin NX, in order to enable edge AI for real-time processing and model training. Additionally, the arm comes with extensive open-source resources, including assembly and calibration guides, as well as tutorials and 3D files to help users get started with AI-driven robotics applications quickly. More information can be found on the SO-ARM100 GitHub repo or their wiki. Additional information can also be found on the Lerobot GitHub repo and jetson-ai-lab’s website.
The SO-ARM100 AI robotic arm kit pro is priced at around $220.00 on Seeed Studios’ official store, but note that the kit does not include 3D printed parts, which you’d have to print yourself. The price looks fine since a bundle of 12 STS3215 servos (20kg) goes for about $190 on AliExpress.
Debashis Das is a technical content writer and embedded engineer with over five years of experience in the industry. With expertise in Embedded C, PCB Design, and SEO optimization, he effectively blends difficult technical topics with clear communication
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