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DM-S0306D 360-Degree Continuous Rotation Digital Servo (3kg.cm)

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While the DM-S0306D features a lightweight, high-precision POM plastic gear train that keeps its overall weight down to just 38 grams, it still delivers a highly respectable 3 kg-cm of torque at 4.8 Volts (and up to 3.5 kg-cm at 6.0 Volts). To ensure longevity and friction-free operation under continuous spinning loads, the main output shaft is supported by double ball bearings (2BB). Controlled using standard PWM signals from any microcontroller, it is an exceptional, easy-to-wire drive motor that eliminates the need for separate H-bridge motor controllers.

Key Features & Functional Advantages

  • Continuous 360° Rotation: Spins endlessly in either direction without hitting mechanical stops, making it perfect for driving wheels, tank tracks, and continuous conveyor belts.

  • Digital Precision: The internal 12-bit digital control board provides a much faster, smoother, and more accurate response to your PWM signals than standard analog servos.

  • Double Ball Bearing Design: The main output spline is stabilized by two smooth ball bearings, reducing friction and ensuring the shaft remains centered even under lateral tension from wheels or pulleys.

  • Built-in Motor Controller: Completely eliminates the need to buy and wire separate motor driver modules; you control its speed and direction directly from a single Arduino or Raspberry Pi pin.

  • Lightweight POM Gears: High-precision plastic gears keep the servo incredibly light, preserving battery life and maximizing efficiency on lightweight mobile robots.

Perfect For

  • Wheeled Robotics: The absolute best, hassle-free drive motor for beginner and intermediate DIY mobile robots, line followers, and autonomous rovers.

  • Continuous Sweeping Mechanisms: Building rotating radar platforms, 360-degree LiDAR mounts, or automated panning security cameras.

  • Motorized Winches: Creating string winches for drawbridges, small elevators, or crane mechanisms in educational STEM projects.

  • Automated Dispensers: Driving the internal rotating auger or dispensing wheel in custom pet feeders and automated pill dispensers.

Technical Specifications

  • Motor Model: DM-S0306D

  • Device Type: 360-Degree Continuous Rotation Digital Servo

  • Operating Voltage: 4.8 Volts to 6.0 Volts DC

  • Stall Torque (4.8V): 3.0 kg-cm

  • Stall Torque (6.0V): 3.5 kg-cm

  • Operating Speed (4.8V): 0.13 sec / 60 degrees (No load)

  • Operating Speed (6.0V): 0.11 sec / 60 degrees (No load)

  • Gear Material: High-Precision POM Plastic

  • Bearing Type: Dual Ball Bearing (2BB)

  • Control Signal: PWM (Pulse Width Modulation)

  • Weight: ~38 grams

  • Dimensions: 40.0mm x 20.0mm x 38.5mm

Ensure your order is placed by 2PM to guarantee next-day delivery! Our commitment to prompt service includes a 24-hour delivery system through our network of carriers, aimed at ensuring your package arrives right on schedule.

Please note, a delivery fee of €4.99 applies for orders under €50. For those in remote areas, be aware that our couriers may apply an extra surcharge. This additional fee helps cover the costs of transporting your items to harder-to-reach locations.