Asimov is an open-source humanoid robot that you can build, train and customize.
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Asimov v1 is a 1.2 m, 35 kg biped with 25 actuated degrees of freedom. This repository contains the mechanical CAD, electrical CAD, simulation model, and onboard software to build, simulate, and customize Asimov v1.
| Spec | Value |
|---|---|
| Height | 1.2 m |
| Weight | 35 kg |
| Degrees of Freedom | 25 actuated + 2 passive |
| Legs | 6 DOF x 2 + toe x 2 |
| Arms | 5 DOF x 2 (shoulder pitch/roll/yaw, elbow, wrist yaw) |
| Torso | 1 DOF waist yaw, 10 W 4 ohm speaker, 6 DOF IMU |
| Head | 2 DOF neck (neck yaw, neck pitch), Quad microphone array, 2MP monocular camera |
| CAN Bus | 5 @ 1Mbps + 1 @ 500kbps |
| Onboard Compute | Raspberry Pi 5 (media + network) + Radxa CM5 (motion control) |
| Structural Materials | 7075 aluminium, MJF PA12 nylon |
| Activity | Load |
|---|---|
| Squat | 5 kg |
| Bicep curl | 15 kg each arm |
| Lateral raise | 18 kg each arm |
Tip
Option 1: DIY Kit: Everything you need to build Asimov v1, unassembled. $499 deposit to reserve. $15,000 target price. Ships summer 2026. Pre-order →
Note
Option 2: Self-source: Pull the BOM and fabricate everything yourself. Assembly Manual →
| Category | Included | Not Included |
|---|---|---|
| Hardware | All BOM components (unassembled), power supply & cabling, spare parts | Tools, hands |
| Compute | RPi edge board, motion control board, network board, power distribution board | 4G/5G modules |
| Sensors | Monocular camera, IMUs, mic, speaker, motor joint states | Lidar, 360 cam |
| Safety | Wireless E-Stop, safety guidelines | Battery |
| Docs | Quick start guide, manual, DIY build videos | — |
Pre-order the Asimov v1 DIY Kit →
Pull the BOM, source the parts, fabricate what needs fabricating.
| Status | Item |
|---|---|
| ✅ | Mechanical CAD — 7 subassemblies |
| ✅ | MuJoCo simulation model |
| ✅ | Electrical wiring harness |
| ✅ | Electrical schematics & PCB files |
| 🔜 | Asimov API |
| 🔜 | Locomotion policy |
| 🔜 | Mobile app |
- Build questions?: Ask in the forum or open a GitHub Issue for bugs and contributions.
- Deploying Asimov?: Talk to us →
- Supply chain partner?: If you manufacture actuators, structural components, or electronics and want to be part of the Asimov supply chain, reach out. bd@menlo.ai
This fork (jherrodthomas/asimov-v1) adds an independent concept-phase engineering package — not produced or endorsed by upstream. See _docs_README.md for the full index. Headline contents at the repo root:
| File | Purpose |
|---|---|
Asimov_v1_Safety_Case.xlsx |
15-tab safety case (ISO 12100/10218/13849/13482/9001) — 32 hazards, 25 SFs, 28 gaps |
Asimov_v1_Safety_Case_Report.docx |
Narrative safety case |
Asimov_v1_Safety_Case_Summary.pdf |
2-page executive summary |
Asimov_v1_DFMEA.xlsx |
AIAG-VDA 2019 DFMEA — 32 failure modes (19 High-AP) |
Asimov_v1_Requirements.xlsx |
SyRS+SRS+HwRS, 120 requirements, fully traced |
Asimov_v1_Architecture.docx |
5 architectural views with embedded diagrams |
Asimov_v1_TestPlan.xlsx |
V-model test plan — 139 cases, ISO 13849-2 / ISO 13482 §7 matrices |
Asimov_v1_Trace_Memo.docx |
Cross-package traceability verification |
Asimov_v1_Engineering_Bundle.pdf |
Single-file stakeholder bundle |
Important. This is a preliminary analysis. Provisional acceptance applies only to OE-1 (research lab, supervised, tethered). Deployment to industrial cobot, home, or public-space envelopes is blocked pending closure of the gaps tracked in the safety-case workbook.
