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---
title: Reachy Mini Basic Example
emoji: 📊
colorFrom: green
colorTo: green
sdk: static
tags:
- reachy_mini
- reachy_mini_js_app
license: apache-2.0
short_description: Basic standalone HTML example for Reachy Mini
pinned: false
---
# Basic Example
A simple, **standalone** single-file HTML example demonstrating core Reachy Mini functionality.
**No npm install required!** Uses the published package directly from CDN (unpkg).
## Quick Start
1. **Download `index.html`** (just this one file!)
2. **Start a local server** (required for ES modules):
```bash
# Using Python
python3 -m http.server 8080
# Or using npx
npx http-server -p 8080
# Or using npm start
npm start
```
3. **Open in browser**:
```
http://127.0.0.1:8080/index.html
```
4. **Connect your robot**:
- Ensure Reachy Mini is connected via USB, OR
- Start the WebSocket server on `ws://127.0.0.1:8000`
5. **Click "Connect to Robot"** and start controlling!
## How It Works
The example loads `reachy-mini` directly from unpkg CDN:
```javascript
import init, { ... } from 'https://unpkg.com/reachy-mini@0.5.3/index.js';
```
No build tools, no npm install, just one HTML file!
## What This Example Shows
- ✅ Connecting to Reachy Mini (WebSerial or WebSocket)
- ✅ Enabling/disabling motor torque
- ✅ Forward kinematics (joint angles → pose)
- ✅ Inverse kinematics (pose → joint angles)
- ✅ Recording and replaying movements
- ✅ Real-time console output
## Browser Requirements
- Chrome 89+ or Edge 89+ (for WebSerial support)
- Must be served over HTTP/HTTPS (file:// won't work due to ES modules)
## Troubleshooting
**"Failed to resolve module specifier"**
- Make sure you ran `npm install` from the project root
- Verify you're accessing via a web server (not file://)
**"WebSerial not available"**
- Use Chrome or Edge browser
- Check that you're on HTTPS or 127.0.0.1
**"Connection failed"**
- Check USB connection
- Try unplugging/replugging the adapter
- If using WebSocket, ensure server is running on port 8000
## Next Steps
Check out the other examples:
- `examples/simple-test/` - Full-featured control interface
- `examples/blockly/` - Visual programming interface
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