Seeed Studio XIAO Development Board · ESP32-S3
$12.50
In stockSeeed Studio XIAO ESP32S3 leverages 240MHz Xtensa 32-bit LX7 dual-core processor, supporting both WiFi and BLE 5.0 wireless connectivities and a 2.4GHz Rod antenna. Ideal for the Internet of Things, Smart Homes, Wireless wearable devices, Robotics, etc.
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Two-Way Bus Communication
Bi-directional UART protocol with baud rates up to 1 Mbps, supporting fast control commands and feedback data such as position and other operating status.
Complete Protection & Smart Power Limiting
Built-in safeguards for temperature, voltage, stall, power, and current, with automatic power limiting to keep operation within a safe range.
Advanced Modes & Stop Behaviors
- Single-Turn: ±180° range for standard rotary joints
- Multi-Turn: ±368,640° (1,024turns) range, with multi-turn count saved after power-off
- Damping Mode: controlled resistance for smooth, compliant motion
- 3 Stop Modes: Free, Lock, and Damp for different holding/release needs
Rich Motion Commands & Profiles
Configure speed, time, and power per application, with sync/async command options and built-in trapezoidal accel/decel profiles for smooth motion and customizable ramp intervals.
Custom Home Position
A 12-bit magnetic absolute encoder supports absolute position sensing and a configurable home position. The effective position resolution is 2,048 counts / 360° (0.176° per count), helping simplify assembly and reduce software offset adjustments.
Unified Ecosystem & Daisy-Chain Ready
All servos share the same protocol for high compatibility, allowing different models to be daisy-chained on the same bus. Within each series, the housing and mounting hole patterns are standardized for easy swaps and consistent mechanical integration.
Media Gallery
Specification
| Item | Basic Specifications |
|---|---|
| Protocol Type | UART |
| Input Voltage | 9.0 ~ 12.6V |
| Motor Type | cored |
| Position Sensor | 12-bit Contactless Absolute Encoder (Magnetic) |
| Effective Position Range | ±180° (single-turn) / ±368,640° (multi-turn) |
| Resolution | 2,048 counts / 360° (0.176° per count) |
| Processor | 32-bit MCU |
| Baud Rate | 9,600 bps ~ 1 Mbps |
| ID Range | 0 ~ 254 |
| Gear Ratio | 273:1 |
| Output Spline Specification | Copper / ⌀6 mm / 25T |
| Gear Material | All-Metal Copper-Aluminum Construction |
| Interface | PH2.0 – 3Pin |
| Case Material | Aluminum alloy middle section / upper & lower engineering plastic shells |
| Dimensions | 40 x 20 x 40 mm |
| Appearance | Single-shaft |
| Weight | 65 g |
| Operating Temperature | -10 ~ 60 °C |
| Operating Mode | Single-turn Angle | Multi-turn Angle | Damping Mode |
| Item | Characteristic Specifications |
|---|---|
| Max Stall Torque | 2.45 N·m (25 kg·cm) |
| Max Continuous Torque | 0.88 N·m (9 kg·cm) |
| Rated Torque | 0.44 N·m (3.4 kg·cm) |
| Rated Speed | 18 rpm (0.556 sec @ 60°) |
| No Load Speed | 51 rpm (0.198 sec @ 60°) |
| Peak Current | 3 A |
| No Load Current | ＜200 mA |
| Standby Current | ＜30 mA |
| Axial Load | 20N |
| Radial Load | 40N |
Performance Curves
SDK And Platforms
CAD Drawings
Documents
- HA8-U25H-M Datasheet
- HA8-U25H-M CAD Drawings & 3D Models
- UART Communication Protocol
- Software & Debugging Tools
- SDK & Development Resources
Certification
| HS Code | 8501109990 |
| ECCN Code | EAR99 |
| Country of Origin | China |
| Certifications | CE, FCC, RoHS |
Part List
| Item | Qty. |
|---|---|
| Servo | 1 |
| 8-Hole Main Horn | 1 |
| PM M3*6mm Screw | 1 |
| PM M2*4.5mm Screw | 8 |
| PM M3*14mm Screw | 4 |
| M3 Lock Nut | 4 |
| Mounting Spacer | 2 |
| 200mm 3-pin Cable (PH2.0×2) | 1 |
| Signal conversion | Half-duplex to full-duplex conversion |
|---|---|
| TTL level | 3.3v, 5.0v |
| Peak Current | 20A |
| UART output | 1 |
| Data interface | Type-C |
| Operating Temperature | -10 ~ 60 °C |
| Protection features | Reverse polarity protection |
| Interface | PH2.0 x 2 |
| Mounting holes | M2.0 × 3 |
| Power LED | Red |
| Dimensions(W×H) | 36×24mm |
| Weight | 5g |
| Product Type | Converter |
Shipping & Delivery
We ship orders to customers worldwide. Most orders are dispatched via DHL Express to provide fast, reliable international delivery with end-to-end tracking.
Processing Time
In-stock items are usually processed within 1–3 business days after payment is confirmed.
Shipping Method
Our default international shipping method is DHL Express. Other trusted express or air services may be used when appropriate.
Estimated Delivery Time
DHL Express delivery typically takes 3–7 business days after dispatch for most international destinations.
Shipping Cost
Shipping costs are calculated based on the destination, package weight, dimensions, and selected shipping method. The final shipping cost will be shown at checkout before payment.
For large-volume or special shipments, please contact us for a shipping quotation.
Customs Duties & Import Taxes
International orders may be subject to customs duties, import taxes, VAT/GST, brokerage fees, or other charges required by the destination country/region.
These charges are not included in the product price or shipping cost unless specifically stated. Customers are responsible for any applicable import duties, taxes, and customs-related fees. Please check with your local customs office before placing an order.
Order Tracking
Once your order has been shipped, we will provide a tracking number by email or through your account order details. Tracking information may take up to 24 hours to update after the shipment is collected by the carrier.
Delays & Special Situations
Delivery may be delayed due to public holidays, customs inspections, weather conditions, carrier disruptions, force majeure events, or other circumstances beyond our control.
