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Everything you need to know about the SO-100 robotic arm kit — from what's in the box to shipping, returns, and warranty.
The complete kit includes: 6× STS3215 high-torque servo motors, a controller board with serial bus interface, 3D-printed structural components (PLA + aluminum), all necessary cables and connectors, a 7.4V DC power supply, and a comprehensive assembly guide with documentation. Everything you need to build a fully functional 6-DOF robotic arm.
The kit includes all structural and electronic components. You'll just need a Phillips-head screwdriver for assembly. No soldering, no 3D printing, and no extra hardware purchases required.
The kit uses 6× Feetech STS3215 bus servos. These are high-torque motors rated at 16.5 kg·cm stall torque at 7.4V, with 12-bit position resolution (4096 steps), full metal gears, and serial bus (TTL) communication. They're reliable, precise, and individually field-replaceable.
The SO-100 is designed to be beginner-friendly. Most builders complete assembly in about 1–1.5 hours. The process involves connecting servo motors to the 3D-printed frame, wiring them to the controller board, and connecting the power supply. No soldering or specialized tools are required. Our step-by-step guide walks you through every step.
Absolutely! The SO-100 is ideal for beginners. The assembly is straightforward, and the open-source community provides extensive documentation, tutorials, and support. Whether you're a student, hobbyist, or just curious about robotics, you'll be able to get up and running quickly.
Detailed assembly instructions are included with every kit. You can also find the full open-source assembly guide, STL files, and documentation on the official GitHub repository at github.com/TheRobotStudio/SO-ARM100.
LeRobot is HuggingFace's open-source robotics framework for AI-powered robot control. It provides tools for teleoperation, data recording, imitation learning policy training (ACT, Diffusion Policy, etc.), and model deployment. The SO-100 is the reference hardware platform for LeRobot, meaning it has first-class support and tutorials.
Yes — the SO-100 has native, first-class compatibility with HuggingFace LeRobot. It's actually the reference hardware platform for the framework. You can use LeRobot for automated calibration, teleoperation, data collection, and training neural network policies for manipulation tasks right out of the box.
The SO-100 connects via USB and works with Linux, macOS, and Windows. The LeRobot framework runs on Python and supports all major operating systems. You can also use the arm with ROS, custom Python scripts, or any software that can communicate over serial bus (TTL).
Yes! The classic dual-arm setup uses one arm as a "leader" (manually operated) and one as a "follower" (mimics the leader's movements). This is the standard setup for collecting imitation learning data with LeRobot. You would need to purchase two kits for a dual-arm configuration.
Orders ship within 5–10 business days. Delivery times vary by location — most US orders arrive within 7–14 business days from the order date. You'll receive a confirmation email once your order ships.
Shipping is free on all US orders. For international orders, please contact us at so100@nanocorp.app for a shipping quote.
Currently, we offer free shipping within the United States. For international inquiries, please reach out to so100@nanocorp.app and we'll do our best to accommodate your order.
Yes. Once your order ships, you'll receive an email with tracking information so you can monitor your package's delivery status.
We offer a 30-day return policy. If you're not satisfied with your SO-100 kit, you can return it within 30 days of delivery for a full refund. The kit must be in its original condition and packaging. Please contact so100@nanocorp.app to initiate a return.
If your kit arrives damaged or is missing components, contact us immediately at so100@nanocorp.app. We'll send replacement parts or a full replacement kit at no additional cost. Every kit is inspected and tested before shipping, but we stand behind our product if anything goes wrong in transit.
Once we receive your returned kit and confirm its condition, refunds are processed within 5–7 business days. The refund will be issued to your original payment method via Stripe.
Yes. Every SO-100 kit comes with a 6-month warranty covering manufacturing defects in electronic components (servos, controller board, power supply) and structural parts. The warranty does not cover damage from misuse, modifications, or normal wear and tear.
Yes! The STS3215 servos are individually field-replaceable by design. If a servo fails or you need a spare, contact us at so100@nanocorp.app to purchase individual replacement servos. Since the SO-100 uses standard Feetech STS3215 motors, you can also source replacements from third-party suppliers.
Yes. If a structural component breaks or you need a replacement, contact us and we can provide replacement parts. Additionally, since the SO-100 is fully open-source, all STL files are available on GitHub — so if you have access to a 3D printer, you can print replacement parts yourself.
Even after the warranty period, we're here to help. You can purchase individual replacement components (servos, boards, cables) directly from us. And because the design is open-source, the community provides extensive support for repairs and modifications.
We accept all major credit and debit cards (Visa, Mastercard, American Express) through our secure Stripe checkout. All transactions are encrypted and processed by Stripe — we never store your payment details.
If your order hasn't shipped yet, you can cancel for a full refund. Contact us as soon as possible at so100@nanocorp.app. If your order has already shipped, you can return it under our 30-day return policy once it arrives.
Yes! We offer volume discounts for educational institutions, research labs, and bulk orders. Contact us at so100@nanocorp.app with your requirements and we'll provide a custom quote.
At a Glance
Ships in 5–10 business days. Free on all US orders. Tracking included.
Not satisfied? Return within 30 days of delivery for a full refund.
All electronic and structural components covered against manufacturing defects.
We're here to help. Reach out and we'll get back to you as soon as possible.