Yahboom YB-SD15M 15kg Serial Bus Smart Servo + Driver Debugging Board Kit for Robotic Arm Joints
Yahboom YB-SD15M 15kg Serial Bus Smart Servo + Driver Debugging Board Kit for Robotic Arm Joints
Yahboom
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Overview
Yahboom YB-SD15M is a 15kg serial bus smart servo (serial bus smart servo) designed for robot/robotic arm joints. It uses alloy/metal gears with metal bearings and an imported high-precision potentiometer for angle feedback. Control is via UART serial port instructions, and multiple servos can be cascaded using a 3-pin PH2.0 interface with an anti-reverse connection design. Angle readback, adjustable rotation speed, and configurable servo ID are supported. A matching driver debugging board is provided to simplify setup and PC-based parameter configuration.
Key Features
- 15KG Serial Bus Servo; special for robot/robotic arm.
- Alloy/metal gear set and metal bearings to reduce wear and friction; rotates smoothly.
- Imported high-precision potentiometer used for angle feedback (high linearity/progress for stable motion).
- Angle readback supported (servo angle feedback).
- ID recognition / bus communication: each servo has an ID (default 1), configurable; single-bus communication; baud rate 115200.
- 3-pin PH2.0 serial bus interface with anti-reverse connection design; supports cascade wiring (multiple servos).
- Supports parameter configuration including rotation speed and position deviation via servo debugging software.
- With main and auxiliary metal rudder disc (more durable and wear-resistant).
- Double-axis fixed design: power output shaft (PTO shaft) + auxiliary fixed shaft for more stable joint movement.
- Driver debugging board provides two parallel bus servo drive interfaces, plus USB and DC power input.
- Reference control codes/resources are provided for Raspberry Pi, Jetson Nano, UNO, Micro:bit, STM32 MCU, and 51 MCU.
Specifications
Servo (YB-SD15M smart serial bus servo)
| Product name | YB-SD15M smart serial bus servo |
| Brand | Yahboom |
| Product weight | 50 ± 1 g |
| Working voltage | 6.0~7.4 V |
| Product size | 58.4*20*40.00 mm |
| Control method | UART serial port instructions |
| Communication baud rate | 115200 |
| Locked torque | >= 15 kgf.cm at 7.4 V |
| Rotation range | 300° ± 15° (96~4000) |
| Control angle range | 300° ± 15° (96~4000) |
| Rotation speed | <= 0.30 Sec/60° at 7.4 V |
| Servo accuracy | <= 1° |
| No-load current | <= 310 mA at 7.4 V |
| Locked rotor current | <= 3.2 A at 7.4 V |
| Servo ID | 1~250, default 1 |
| Storage | Servo settings are automatically saved when power is off |
| Protection | Locked for 3 seconds and enter protection |
| Parameter feedback | Abnormal feedback, location |
| Gear type | Metal gear set |
| Interface model | PH2.0-3Pin |
| Matching line length | 20 cm |
| Applicable scene | Robotic arms, bionic robot joints |
| Feedback function | Supports reading back servo position, status and other information |
Drawing values shown (unit: mm): 35.12, 28.4, 23, 18.20, 40.20, 44.02, 10.66, and φ6.
Additional resources shown: Provide 15kg smart serial bus servo 3D model files.
Driver Debugging Board
| Wide voltage input | 7.4 V~12.6 V |
| Servo interface output voltage | 6.3 V (+0.2) |
| Servo interface output current | 1.2 A (MAX: 2 A) |
| Size | 50 mm * 35 mm * 12.5 mm |
| Fixing hole spacing | 30 mm |
| Fixing hole diameter | 3 mm |
| Interfaces / markings | DC Power interface (positive/negative poles), USB interface, Servo interface, Pin header spacing 2.54 |
Bracket Dimensions
| Servo fixed bracket size | 50*30*28 mm |
| Servo fixed bracket sheet metal thickness | 2 mm |
| Servo fixed bracket notes shown | 4-M3 threaded hole; 2-φ2 penetration; 4-φ3 penetration |
| Servo shaft bracket size | 43*21*57 mm |
| Servo shaft bracket sheet metal thickness | 2 mm |
What's Included
- YB-SD15M 15kg serial bus smart servo
- Driver debugging board
- Data cable
- Servo fixing bracket
- Servo shaft bracket
- Metal rudder
- Metal auxiliary rudder disc / bearing
- PH2.0 3-pin cable (cable length: 20 cm)
- Screw pack(s)
For setup help (wiring, UART control, ID configuration, and multi-servo cascading), contact support@rcdrone.top or visit https://rcdrone.top/.
Applications
- Robotic arms and bionic robot joints
- Multi-servo joint control (cascaded serial bus servos)
- Servo teaching / master-slave synchronization action
- Action group learning (as shown in case display materials)
Manuals
Tutorial: Yahboom 15KG Serial Bus Smart Servo
Details
Designed for robot joints, the YB-SD15M combines durable metal gears with potentiometer angle feedback and simple 3‑pin bus wiring.
Reference control resources help you get started quickly across popular boards, from Raspberry Pi and Jetson Nano to Arduino and STM32.
Core hardware details focus on smooth, long-life motion: metal bearings, alloy gears, and high-linearity angle feedback.
Angle readback and configurable IDs make multi-servo bus control easier, while the dual-shaft design improves joint stability.
Ideal for coordinated robot-arm movement, including synchronized master/slave setups and multi-joint control on one bus.
PC debugging software supports quick setup tasks like changing servo ID, tuning speed, and correcting position offset.
Mechanical drawings and key parameters provide sizing guidance for integrating the servo into compact joint structures.
The included driver board adds convenient USB connection and dual interfaces for bus-servo wiring during testing and setup.
Tutorial links, software, and documents are provided to support wiring, configuration, and serial command control.
Optional fixing brackets help mount the servo securely when extending the output shaft or building custom linkages.
A shaft bracket option supports extended structures and more stable mounting for robot arm and joint builds.
